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Finding the Fourth Proportional to 6,505.56, 9,758.34 and 1,575.18

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Solution

The fourth proportional to 6,505.56, 9,758.34 and 1,575.18 is: 2,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.56 : 9,758.34 = 1,575.18 : x
  2. Step 2: Convert to fraction form
    6,505.56/9,758.34 = 1,575.18/x
  3. Step 3: Cross multiply
    6,505.56x = 9,758.34 × 1,575.18
  4. Step 4: Simplify right side
    6,505.56x = 15,371,142.00
  5. Step 5: Solve for x
    x = 15,371,142.00/6,505.56
  6. Step 6: Final answer
    x = 2,362.77

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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.