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Finding the Fourth Proportional to 69,154.56, 103,654.08 and 29,730.24

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Solution

The fourth proportional to 69,154.56, 103,654.08 and 29,730.24 is: 44,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,154.56 : 103,654.08 = 29,730.24 : x
  2. Step 2: Convert to fraction form
    69,154.56/103,654.08 = 29,730.24/x
  3. Step 3: Cross multiply
    69,154.56x = 103,654.08 × 29,730.24
  4. Step 4: Simplify right side
    69,154.56x = 3,081,660,675.38
  5. Step 5: Solve for x
    x = 3,081,660,675.38/69,154.56
  6. Step 6: Final answer
    x = 44,561.93

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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.