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Finding the Fourth Proportional to 60,592.04, 90,892.92 and 21,148.28

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Solution

The fourth proportional to 60,592.04, 90,892.92 and 21,148.28 is: 31,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,592.04 : 90,892.92 = 21,148.28 : x
  2. Step 2: Convert to fraction form
    60,592.04/90,892.92 = 21,148.28/x
  3. Step 3: Cross multiply
    60,592.04x = 90,892.92 × 21,148.28
  4. Step 4: Simplify right side
    60,592.04x = 1,922,228,922.18
  5. Step 5: Solve for x
    x = 1,922,228,922.18/60,592.04
  6. Step 6: Final answer
    x = 31,724.12

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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.