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Finding the Fourth Proportional to 29,602.55, 40,832.15 and 17,657.88

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Solution

The fourth proportional to 29,602.55, 40,832.15 and 17,657.88 is: 24,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.55 : 40,832.15 = 17,657.88 : x
  2. Step 2: Convert to fraction form
    29,602.55/40,832.15 = 17,657.88/x
  3. Step 3: Cross multiply
    29,602.55x = 40,832.15 × 17,657.88
  4. Step 4: Simplify right side
    29,602.55x = 721,009,116.55
  5. Step 5: Solve for x
    x = 721,009,116.55/29,602.55
  6. Step 6: Final answer
    x = 24,356.32

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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.