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Finding the Fourth Proportional to 60,856.44, 90,764.16 and 58,740.18

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Solution

The fourth proportional to 60,856.44, 90,764.16 and 58,740.18 is: 87,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,856.44 : 90,764.16 = 58,740.18 : x
  2. Step 2: Convert to fraction form
    60,856.44/90,764.16 = 58,740.18/x
  3. Step 3: Cross multiply
    60,856.44x = 90,764.16 × 58,740.18
  4. Step 4: Simplify right side
    60,856.44x = 5,331,503,095.95
  5. Step 5: Solve for x
    x = 5,331,503,095.95/60,856.44
  6. Step 6: Final answer
    x = 87,607.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.