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Finding the Fourth Proportional to 45,404.60, 68,106.90 and 29,658.20

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Solution

The fourth proportional to 45,404.60, 68,106.90 and 29,658.20 is: 44,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.60 : 68,106.90 = 29,658.20 : x
  2. Step 2: Convert to fraction form
    45,404.60/68,106.90 = 29,658.20/x
  3. Step 3: Cross multiply
    45,404.60x = 68,106.90 × 29,658.20
  4. Step 4: Simplify right side
    45,404.60x = 2,019,928,061.58
  5. Step 5: Solve for x
    x = 2,019,928,061.58/45,404.60
  6. Step 6: Final answer
    x = 44,487.30

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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.