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Finding the Fourth Proportional to 60,344.69, 90,521.47 and 15,971.14

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Solution

The fourth proportional to 60,344.69, 90,521.47 and 15,971.14 is: 23,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.69 : 90,521.47 = 15,971.14 : x
  2. Step 2: Convert to fraction form
    60,344.69/90,521.47 = 15,971.14/x
  3. Step 3: Cross multiply
    60,344.69x = 90,521.47 × 15,971.14
  4. Step 4: Simplify right side
    60,344.69x = 1,445,731,070.38
  5. Step 5: Solve for x
    x = 1,445,731,070.38/60,344.69
  6. Step 6: Final answer
    x = 23,957.88

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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.