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Finding the Fourth Proportional to 29,167.60, 43,751.40 and 18,108.40

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Solution

The fourth proportional to 29,167.60, 43,751.40 and 18,108.40 is: 27,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.60 : 43,751.40 = 18,108.40 : x
  2. Step 2: Convert to fraction form
    29,167.60/43,751.40 = 18,108.40/x
  3. Step 3: Cross multiply
    29,167.60x = 43,751.40 × 18,108.40
  4. Step 4: Simplify right side
    29,167.60x = 792,267,851.76
  5. Step 5: Solve for x
    x = 792,267,851.76/29,167.60
  6. Step 6: Final answer
    x = 27,162.60

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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.