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Finding the Fourth Proportional to 29,921.58, 44,882.16 and 9,145.08

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Solution

The fourth proportional to 29,921.58, 44,882.16 and 9,145.08 is: 13,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.58 : 44,882.16 = 9,145.08 : x
  2. Step 2: Convert to fraction form
    29,921.58/44,882.16 = 9,145.08/x
  3. Step 3: Cross multiply
    29,921.58x = 44,882.16 × 9,145.08
  4. Step 4: Simplify right side
    29,921.58x = 410,450,943.77
  5. Step 5: Solve for x
    x = 410,450,943.77/29,921.58
  6. Step 6: Final answer
    x = 13,717.56

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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.