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Finding the Fourth Proportional to 29,109.90, 40,148.91 and 24,645.90

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Solution

The fourth proportional to 29,109.90, 40,148.91 and 24,645.90 is: 33,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.90 : 40,148.91 = 24,645.90 : x
  2. Step 2: Convert to fraction form
    29,109.90/40,148.91 = 24,645.90/x
  3. Step 3: Cross multiply
    29,109.90x = 40,148.91 × 24,645.90
  4. Step 4: Simplify right side
    29,109.90x = 989,506,020.97
  5. Step 5: Solve for x
    x = 989,506,020.97/29,109.90
  6. Step 6: Final answer
    x = 33,992.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.