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Finding the Fourth Proportional to 29,166.16, 40,250.04 and 16,419.80

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Solution

The fourth proportional to 29,166.16, 40,250.04 and 16,419.80 is: 22,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166.16 : 40,250.04 = 16,419.80 : x
  2. Step 2: Convert to fraction form
    29,166.16/40,250.04 = 16,419.80/x
  3. Step 3: Cross multiply
    29,166.16x = 40,250.04 × 16,419.80
  4. Step 4: Simplify right side
    29,166.16x = 660,897,606.79
  5. Step 5: Solve for x
    x = 660,897,606.79/29,166.16
  6. Step 6: Final answer
    x = 22,659.74

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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.