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Finding the Fourth Proportional to 18,034.95, 24,888.66 and 9,968.61

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Solution

The fourth proportional to 18,034.95, 24,888.66 and 9,968.61 is: 13,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.95 : 24,888.66 = 9,968.61 : x
  2. Step 2: Convert to fraction form
    18,034.95/24,888.66 = 9,968.61/x
  3. Step 3: Cross multiply
    18,034.95x = 24,888.66 × 9,968.61
  4. Step 4: Simplify right side
    18,034.95x = 248,105,344.96
  5. Step 5: Solve for x
    x = 248,105,344.96/18,034.95
  6. Step 6: Final answer
    x = 13,756.92

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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.