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Finding the Fourth Proportional to 28,974.61, 43,468.59 and 9,253.13

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Solution

The fourth proportional to 28,974.61, 43,468.59 and 9,253.13 is: 13,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.61 : 43,468.59 = 9,253.13 : x
  2. Step 2: Convert to fraction form
    28,974.61/43,468.59 = 9,253.13/x
  3. Step 3: Cross multiply
    28,974.61x = 43,468.59 × 9,253.13
  4. Step 4: Simplify right side
    28,974.61x = 402,220,514.19
  5. Step 5: Solve for x
    x = 402,220,514.19/28,974.61
  6. Step 6: Final answer
    x = 13,881.83

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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.