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Finding the Fourth Proportional to 29,907.92, 44,862.06 and 9,131.42

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Solution

The fourth proportional to 29,907.92, 44,862.06 and 9,131.42 is: 13,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.92 : 44,862.06 = 9,131.42 : x
  2. Step 2: Convert to fraction form
    29,907.92/44,862.06 = 9,131.42/x
  3. Step 3: Cross multiply
    29,907.92x = 44,862.06 × 9,131.42
  4. Step 4: Simplify right side
    29,907.92x = 409,654,311.93
  5. Step 5: Solve for x
    x = 409,654,311.93/29,907.92
  6. Step 6: Final answer
    x = 13,697.18

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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.