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Finding the Fourth Proportional to 60,152.88, 90,222.39 and 15,783.10

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Solution

The fourth proportional to 60,152.88, 90,222.39 and 15,783.10 is: 23,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,152.88 : 90,222.39 = 15,783.10 : x
  2. Step 2: Convert to fraction form
    60,152.88/90,222.39 = 15,783.10/x
  3. Step 3: Cross multiply
    60,152.88x = 90,222.39 × 15,783.10
  4. Step 4: Simplify right side
    60,152.88x = 1,423,988,781.20
  5. Step 5: Solve for x
    x = 1,423,988,781.20/60,152.88
  6. Step 6: Final answer
    x = 23,672.83

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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.