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Finding the Fourth Proportional to 18,306.93, 25,264.08 and 10,348.95

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Solution

The fourth proportional to 18,306.93, 25,264.08 and 10,348.95 is: 14,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.93 : 25,264.08 = 10,348.95 : x
  2. Step 2: Convert to fraction form
    18,306.93/25,264.08 = 10,348.95/x
  3. Step 3: Cross multiply
    18,306.93x = 25,264.08 × 10,348.95
  4. Step 4: Simplify right side
    18,306.93x = 261,456,700.72
  5. Step 5: Solve for x
    x = 261,456,700.72/18,306.93
  6. Step 6: Final answer
    x = 14,281.84

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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.