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Finding the Fourth Proportional to 60,612.60, 90,875.70 and 23,158.20

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Solution

The fourth proportional to 60,612.60, 90,875.70 and 23,158.20 is: 34,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.60 : 90,875.70 = 23,158.20 : x
  2. Step 2: Convert to fraction form
    60,612.60/90,875.70 = 23,158.20/x
  3. Step 3: Cross multiply
    60,612.60x = 90,875.70 × 23,158.20
  4. Step 4: Simplify right side
    60,612.60x = 2,104,517,635.74
  5. Step 5: Solve for x
    x = 2,104,517,635.74/60,612.60
  6. Step 6: Final answer
    x = 34,720.79

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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.