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Finding the Fourth Proportional to 38,740.72, 58,116.88 and 16,554

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Solution

The fourth proportional to 38,740.72, 58,116.88 and 16,554 is: 24,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.72 : 58,116.88 = 16,554 : x
  2. Step 2: Convert to fraction form
    38,740.72/58,116.88 = 16,554/x
  3. Step 3: Cross multiply
    38,740.72x = 58,116.88 × 16,554
  4. Step 4: Simplify right side
    38,740.72x = 962,066,831.52
  5. Step 5: Solve for x
    x = 962,066,831.52/38,740.72
  6. Step 6: Final answer
    x = 24,833.48

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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.