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Finding the Fourth Proportional to 60,989.76, 84,192.36 and 37,123.92

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Solution

The fourth proportional to 60,989.76, 84,192.36 and 37,123.92 is: 51,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.76 : 84,192.36 = 37,123.92 : x
  2. Step 2: Convert to fraction form
    60,989.76/84,192.36 = 37,123.92/x
  3. Step 3: Cross multiply
    60,989.76x = 84,192.36 × 37,123.92
  4. Step 4: Simplify right side
    60,989.76x = 3,125,550,437.25
  5. Step 5: Solve for x
    x = 3,125,550,437.25/60,989.76
  6. Step 6: Final answer
    x = 51,247.13

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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.