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Finding the Fourth Proportional to 29,070, 40,119.84 and 16,498.80

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Solution

The fourth proportional to 29,070, 40,119.84 and 16,498.80 is: 22,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,070 : 40,119.84 = 16,498.80 : x
  2. Step 2: Convert to fraction form
    29,070/40,119.84 = 16,498.80/x
  3. Step 3: Cross multiply
    29,070x = 40,119.84 × 16,498.80
  4. Step 4: Simplify right side
    29,070x = 661,929,216.19
  5. Step 5: Solve for x
    x = 661,929,216.19/29,070
  6. Step 6: Final answer
    x = 22,770.18

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