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Finding the Fourth Proportional to 7,368.75, 11,053.13 and 2,174.49

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Solution

The fourth proportional to 7,368.75, 11,053.13 and 2,174.49 is: 3,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.75 : 11,053.13 = 2,174.49 : x
  2. Step 2: Convert to fraction form
    7,368.75/11,053.13 = 2,174.49/x
  3. Step 3: Cross multiply
    7,368.75x = 11,053.13 × 2,174.49
  4. Step 4: Simplify right side
    7,368.75x = 24,034,909.78
  5. Step 5: Solve for x
    x = 24,034,909.78/7,368.75
  6. Step 6: Final answer
    x = 3,261.74

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Double scale
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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.