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Finding the Fourth Proportional to 29,920.59, 44,888.18 and 9,144.09

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Solution

The fourth proportional to 29,920.59, 44,888.18 and 9,144.09 is: 13,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.59 : 44,888.18 = 9,144.09 : x
  2. Step 2: Convert to fraction form
    29,920.59/44,888.18 = 9,144.09/x
  3. Step 3: Cross multiply
    29,920.59x = 44,888.18 × 9,144.09
  4. Step 4: Simplify right side
    29,920.59x = 410,461,512.14
  5. Step 5: Solve for x
    x = 410,461,512.14/29,920.59
  6. Step 6: Final answer
    x = 13,718.36

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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.