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Finding the Fourth Proportional to 29,385.40, 44,081.70 and 9,658.60

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Solution

The fourth proportional to 29,385.40, 44,081.70 and 9,658.60 is: 14,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.40 : 44,081.70 = 9,658.60 : x
  2. Step 2: Convert to fraction form
    29,385.40/44,081.70 = 9,658.60/x
  3. Step 3: Cross multiply
    29,385.40x = 44,081.70 × 9,658.60
  4. Step 4: Simplify right side
    29,385.40x = 425,767,507.62
  5. Step 5: Solve for x
    x = 425,767,507.62/29,385.40
  6. Step 6: Final answer
    x = 14,489.08

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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.