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Finding the Fourth Proportional to 60,527.40, 90,791.76 and 18,414.32

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Solution

The fourth proportional to 60,527.40, 90,791.76 and 18,414.32 is: 27,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,527.40 : 90,791.76 = 18,414.32 : x
  2. Step 2: Convert to fraction form
    60,527.40/90,791.76 = 18,414.32/x
  3. Step 3: Cross multiply
    60,527.40x = 90,791.76 × 18,414.32
  4. Step 4: Simplify right side
    60,527.40x = 1,671,868,522.00
  5. Step 5: Solve for x
    x = 1,671,868,522.00/60,527.40
  6. Step 6: Final answer
    x = 27,621.68

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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.