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Finding the Fourth Proportional to 60,471.60, 90,707.60 and 18,352.04

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Solution

The fourth proportional to 60,471.60, 90,707.60 and 18,352.04 is: 27,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,471.60 : 90,707.60 = 18,352.04 : x
  2. Step 2: Convert to fraction form
    60,471.60/90,707.60 = 18,352.04/x
  3. Step 3: Cross multiply
    60,471.60x = 90,707.60 × 18,352.04
  4. Step 4: Simplify right side
    60,471.60x = 1,664,669,503.50
  5. Step 5: Solve for x
    x = 1,664,669,503.50/60,471.60
  6. Step 6: Final answer
    x = 27,528.12

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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.