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Finding the Fourth Proportional to 29,399.60, 44,084.28 and 8,620.40

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Solution

The fourth proportional to 29,399.60, 44,084.28 and 8,620.40 is: 12,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.60 : 44,084.28 = 8,620.40 : x
  2. Step 2: Convert to fraction form
    29,399.60/44,084.28 = 8,620.40/x
  3. Step 3: Cross multiply
    29,399.60x = 44,084.28 × 8,620.40
  4. Step 4: Simplify right side
    29,399.60x = 380,024,127.31
  5. Step 5: Solve for x
    x = 380,024,127.31/29,399.60
  6. Step 6: Final answer
    x = 12,926.17

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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.