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Finding the Fourth Proportional to 29,365.30, 40,543.62 and 17,432.47

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Solution

The fourth proportional to 29,365.30, 40,543.62 and 17,432.47 is: 24,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.30 : 40,543.62 = 17,432.47 : x
  2. Step 2: Convert to fraction form
    29,365.30/40,543.62 = 17,432.47/x
  3. Step 3: Cross multiply
    29,365.30x = 40,543.62 × 17,432.47
  4. Step 4: Simplify right side
    29,365.30x = 706,775,236.62
  5. Step 5: Solve for x
    x = 706,775,236.62/29,365.30
  6. Step 6: Final answer
    x = 24,068.39

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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.