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Finding the Fourth Proportional to 28,766.52, 43,101.09 and 18,248.40

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Solution

The fourth proportional to 28,766.52, 43,101.09 and 18,248.40 is: 27,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.52 : 43,101.09 = 18,248.40 : x
  2. Step 2: Convert to fraction form
    28,766.52/43,101.09 = 18,248.40/x
  3. Step 3: Cross multiply
    28,766.52x = 43,101.09 × 18,248.40
  4. Step 4: Simplify right side
    28,766.52x = 786,525,930.76
  5. Step 5: Solve for x
    x = 786,525,930.76/28,766.52
  6. Step 6: Final answer
    x = 27,341.71

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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.