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Finding the Fourth Proportional to 24,795.50, 34,217.80 and 13,617.50

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Solution

The fourth proportional to 24,795.50, 34,217.80 and 13,617.50 is: 18,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,795.50 : 34,217.80 = 13,617.50 : x
  2. Step 2: Convert to fraction form
    24,795.50/34,217.80 = 13,617.50/x
  3. Step 3: Cross multiply
    24,795.50x = 34,217.80 × 13,617.50
  4. Step 4: Simplify right side
    24,795.50x = 465,960,891.50
  5. Step 5: Solve for x
    x = 465,960,891.50/24,795.50
  6. Step 6: Final answer
    x = 18,792.16

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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.