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Finding the Fourth Proportional to 60,892.40, 91,492.20 and 38,716.40

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Solution

The fourth proportional to 60,892.40, 91,492.20 and 38,716.40 is: 58,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,892.40 : 91,492.20 = 38,716.40 : x
  2. Step 2: Convert to fraction form
    60,892.40/91,492.20 = 38,716.40/x
  3. Step 3: Cross multiply
    60,892.40x = 91,492.20 × 38,716.40
  4. Step 4: Simplify right side
    60,892.40x = 3,542,248,612.08
  5. Step 5: Solve for x
    x = 3,542,248,612.08/60,892.40
  6. Step 6: Final answer
    x = 58,172.26

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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.