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Finding the Fourth Proportional to 18,560.98, 25,613.84 and 10,494.50

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Solution

The fourth proportional to 18,560.98, 25,613.84 and 10,494.50 is: 14,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.98 : 25,613.84 = 10,494.50 : x
  2. Step 2: Convert to fraction form
    18,560.98/25,613.84 = 10,494.50/x
  3. Step 3: Cross multiply
    18,560.98x = 25,613.84 × 10,494.50
  4. Step 4: Simplify right side
    18,560.98x = 268,804,391.41
  5. Step 5: Solve for x
    x = 268,804,391.41/18,560.98
  6. Step 6: Final answer
    x = 14,482.23

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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.