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Finding the Fourth Proportional to 60,013.40, 90,020.10 and 59,138.60

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Solution

The fourth proportional to 60,013.40, 90,020.10 and 59,138.60 is: 88,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.40 : 90,020.10 = 59,138.60 : x
  2. Step 2: Convert to fraction form
    60,013.40/90,020.10 = 59,138.60/x
  3. Step 3: Cross multiply
    60,013.40x = 90,020.10 × 59,138.60
  4. Step 4: Simplify right side
    60,013.40x = 5,323,662,685.86
  5. Step 5: Solve for x
    x = 5,323,662,685.86/60,013.40
  6. Step 6: Final answer
    x = 88,707.90

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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.