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Finding the Fourth Proportional to 60,081.58, 90,114.55 and 15,711.76

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Solution

The fourth proportional to 60,081.58, 90,114.55 and 15,711.76 is: 23,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,081.58 : 90,114.55 = 15,711.76 : x
  2. Step 2: Convert to fraction form
    60,081.58/90,114.55 = 15,711.76/x
  3. Step 3: Cross multiply
    60,081.58x = 90,114.55 × 15,711.76
  4. Step 4: Simplify right side
    60,081.58x = 1,415,857,792.77
  5. Step 5: Solve for x
    x = 1,415,857,792.77/60,081.58
  6. Step 6: Final answer
    x = 23,565.59

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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.