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Finding the Fourth Proportional to 60,458.32, 83,428.14 and 37,807.48

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Solution

The fourth proportional to 60,458.32, 83,428.14 and 37,807.48 is: 52,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.32 : 83,428.14 = 37,807.48 : x
  2. Step 2: Convert to fraction form
    60,458.32/83,428.14 = 37,807.48/x
  3. Step 3: Cross multiply
    60,458.32x = 83,428.14 × 37,807.48
  4. Step 4: Simplify right side
    60,458.32x = 3,154,207,734.49
  5. Step 5: Solve for x
    x = 3,154,207,734.49/60,458.32
  6. Step 6: Final answer
    x = 52,171.61

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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.