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Finding the Fourth Proportional to 7,507.43, 11,261.12 and 7,050.71

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Solution

The fourth proportional to 7,507.43, 11,261.12 and 7,050.71 is: 10,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.43 : 11,261.12 = 7,050.71 : x
  2. Step 2: Convert to fraction form
    7,507.43/11,261.12 = 7,050.71/x
  3. Step 3: Cross multiply
    7,507.43x = 11,261.12 × 7,050.71
  4. Step 4: Simplify right side
    7,507.43x = 79,398,799.84
  5. Step 5: Solve for x
    x = 79,398,799.84/7,507.43
  6. Step 6: Final answer
    x = 10,576.04

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Half scale
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Double scale
Find fourth proportional to 7,508.43, 11,262.61 and 7,051.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.