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Finding the Fourth Proportional to 29,701.50, 40,988.07 and 16,453.50

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Solution

The fourth proportional to 29,701.50, 40,988.07 and 16,453.50 is: 22,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,701.50 : 40,988.07 = 16,453.50 : x
  2. Step 2: Convert to fraction form
    29,701.50/40,988.07 = 16,453.50/x
  3. Step 3: Cross multiply
    29,701.50x = 40,988.07 × 16,453.50
  4. Step 4: Simplify right side
    29,701.50x = 674,397,209.75
  5. Step 5: Solve for x
    x = 674,397,209.75/29,701.50
  6. Step 6: Final answer
    x = 22,705.83

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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.