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Finding the Fourth Proportional to 29,937.40, 44,907.42 and 9,947.56

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Solution

The fourth proportional to 29,937.40, 44,907.42 and 9,947.56 is: 14,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,937.40 : 44,907.42 = 9,947.56 : x
  2. Step 2: Convert to fraction form
    29,937.40/44,907.42 = 9,947.56/x
  3. Step 3: Cross multiply
    29,937.40x = 44,907.42 × 9,947.56
  4. Step 4: Simplify right side
    29,937.40x = 446,719,254.90
  5. Step 5: Solve for x
    x = 446,719,254.90/29,937.40
  6. Step 6: Final answer
    x = 14,921.78

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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.