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Finding the Fourth Proportional to 32,191.65, 44,404.85 and 21,289.77

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Solution

The fourth proportional to 32,191.65, 44,404.85 and 21,289.77 is: 29,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,191.65 : 44,404.85 = 21,289.77 : x
  2. Step 2: Convert to fraction form
    32,191.65/44,404.85 = 21,289.77/x
  3. Step 3: Cross multiply
    32,191.65x = 44,404.85 × 21,289.77
  4. Step 4: Simplify right side
    32,191.65x = 945,369,043.38
  5. Step 5: Solve for x
    x = 945,369,043.38/32,191.65
  6. Step 6: Final answer
    x = 29,366.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.