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Finding the Fourth Proportional to 60,654.36, 90,981.54 and 18,532.74

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Solution

The fourth proportional to 60,654.36, 90,981.54 and 18,532.74 is: 27,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,654.36 : 90,981.54 = 18,532.74 : x
  2. Step 2: Convert to fraction form
    60,654.36/90,981.54 = 18,532.74/x
  3. Step 3: Cross multiply
    60,654.36x = 90,981.54 × 18,532.74
  4. Step 4: Simplify right side
    60,654.36x = 1,686,137,225.62
  5. Step 5: Solve for x
    x = 1,686,137,225.62/60,654.36
  6. Step 6: Final answer
    x = 27,799.11

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Similar ratio
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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.