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Finding the Fourth Proportional to 29,657.52, 40,926.45 and 16,228.47

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Solution

The fourth proportional to 29,657.52, 40,926.45 and 16,228.47 is: 22,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,657.52 : 40,926.45 = 16,228.47 : x
  2. Step 2: Convert to fraction form
    29,657.52/40,926.45 = 16,228.47/x
  3. Step 3: Cross multiply
    29,657.52x = 40,926.45 × 16,228.47
  4. Step 4: Simplify right side
    29,657.52x = 664,173,666.03
  5. Step 5: Solve for x
    x = 664,173,666.03/29,657.52
  6. Step 6: Final answer
    x = 22,394.78

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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.