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Finding the Fourth Proportional to 29,084.80, 40,140.80 and 17,751.94

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Solution

The fourth proportional to 29,084.80, 40,140.80 and 17,751.94 is: 24,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,084.80 : 40,140.80 = 17,751.94 : x
  2. Step 2: Convert to fraction form
    29,084.80/40,140.80 = 17,751.94/x
  3. Step 3: Cross multiply
    29,084.80x = 40,140.80 × 17,751.94
  4. Step 4: Simplify right side
    29,084.80x = 712,577,073.15
  5. Step 5: Solve for x
    x = 712,577,073.15/29,084.80
  6. Step 6: Final answer
    x = 24,499.98

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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.