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Finding the Fourth Proportional to 62,693.16, 86,503.76 and 37,188.32

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Solution

The fourth proportional to 62,693.16, 86,503.76 and 37,188.32 is: 51,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,693.16 : 86,503.76 = 37,188.32 : x
  2. Step 2: Convert to fraction form
    62,693.16/86,503.76 = 37,188.32/x
  3. Step 3: Cross multiply
    62,693.16x = 86,503.76 × 37,188.32
  4. Step 4: Simplify right side
    62,693.16x = 3,216,929,508.08
  5. Step 5: Solve for x
    x = 3,216,929,508.08/62,693.16
  6. Step 6: Final answer
    x = 51,312.29

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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.