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Finding the Fourth Proportional to 29,586.87, 44,379.90 and 7,400.16

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Solution

The fourth proportional to 29,586.87, 44,379.90 and 7,400.16 is: 11,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,586.87 : 44,379.90 = 7,400.16 : x
  2. Step 2: Convert to fraction form
    29,586.87/44,379.90 = 7,400.16/x
  3. Step 3: Cross multiply
    29,586.87x = 44,379.90 × 7,400.16
  4. Step 4: Simplify right side
    29,586.87x = 328,418,360.78
  5. Step 5: Solve for x
    x = 328,418,360.78/29,586.87
  6. Step 6: Final answer
    x = 11,100.14

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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.