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Finding the Fourth Proportional to 29,471.60, 44,207.40 and 15,647.60

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Solution

The fourth proportional to 29,471.60, 44,207.40 and 15,647.60 is: 23,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.60 : 44,207.40 = 15,647.60 : x
  2. Step 2: Convert to fraction form
    29,471.60/44,207.40 = 15,647.60/x
  3. Step 3: Cross multiply
    29,471.60x = 44,207.40 × 15,647.60
  4. Step 4: Simplify right side
    29,471.60x = 691,739,712.24
  5. Step 5: Solve for x
    x = 691,739,712.24/29,471.60
  6. Step 6: Final answer
    x = 23,471.40

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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.