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Finding the Fourth Proportional to 9,008.01, 12,432.11 and 5,029.65

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Solution

The fourth proportional to 9,008.01, 12,432.11 and 5,029.65 is: 6,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.01 : 12,432.11 = 5,029.65 : x
  2. Step 2: Convert to fraction form
    9,008.01/12,432.11 = 5,029.65/x
  3. Step 3: Cross multiply
    9,008.01x = 12,432.11 × 5,029.65
  4. Step 4: Simplify right side
    9,008.01x = 62,529,136.91
  5. Step 5: Solve for x
    x = 62,529,136.91/9,008.01
  6. Step 6: Final answer
    x = 6,941.50

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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.