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Finding the Fourth Proportional to 60,492.57, 90,757.30 and 30,931.17

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Solution

The fourth proportional to 60,492.57, 90,757.30 and 30,931.17 is: 46,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.57 : 90,757.30 = 30,931.17 : x
  2. Step 2: Convert to fraction form
    60,492.57/90,757.30 = 30,931.17/x
  3. Step 3: Cross multiply
    60,492.57x = 90,757.30 × 30,931.17
  4. Step 4: Simplify right side
    60,492.57x = 2,807,229,475.04
  5. Step 5: Solve for x
    x = 2,807,229,475.04/60,492.57
  6. Step 6: Final answer
    x = 46,406.19

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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.