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Finding the Fourth Proportional to 62,417.67, 86,152.46 and 38,530.67

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Solution

The fourth proportional to 62,417.67, 86,152.46 and 38,530.67 is: 53,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,417.67 : 86,152.46 = 38,530.67 : x
  2. Step 2: Convert to fraction form
    62,417.67/86,152.46 = 38,530.67/x
  3. Step 3: Cross multiply
    62,417.67x = 86,152.46 × 38,530.67
  4. Step 4: Simplify right side
    62,417.67x = 3,319,511,382.53
  5. Step 5: Solve for x
    x = 3,319,511,382.53/62,417.67
  6. Step 6: Final answer
    x = 53,182.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.