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Finding the Fourth Proportional to 29,451.66, 40,627.80 and 17,506.50

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Solution

The fourth proportional to 29,451.66, 40,627.80 and 17,506.50 is: 24,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.66 : 40,627.80 = 17,506.50 : x
  2. Step 2: Convert to fraction form
    29,451.66/40,627.80 = 17,506.50/x
  3. Step 3: Cross multiply
    29,451.66x = 40,627.80 × 17,506.50
  4. Step 4: Simplify right side
    29,451.66x = 711,250,580.70
  5. Step 5: Solve for x
    x = 711,250,580.70/29,451.66
  6. Step 6: Final answer
    x = 24,149.76

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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.