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Finding the Fourth Proportional to 29,670.72, 44,507.52 and 9,947.28

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Solution

The fourth proportional to 29,670.72, 44,507.52 and 9,947.28 is: 14,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.72 : 44,507.52 = 9,947.28 : x
  2. Step 2: Convert to fraction form
    29,670.72/44,507.52 = 9,947.28/x
  3. Step 3: Cross multiply
    29,670.72x = 44,507.52 × 9,947.28
  4. Step 4: Simplify right side
    29,670.72x = 442,728,763.55
  5. Step 5: Solve for x
    x = 442,728,763.55/29,670.72
  6. Step 6: Final answer
    x = 14,921.40

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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.