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Finding the Fourth Proportional to 11,798.68, 17,681.52 and 8,873.56

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Solution

The fourth proportional to 11,798.68, 17,681.52 and 8,873.56 is: 13,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.68 : 17,681.52 = 8,873.56 : x
  2. Step 2: Convert to fraction form
    11,798.68/17,681.52 = 8,873.56/x
  3. Step 3: Cross multiply
    11,798.68x = 17,681.52 × 8,873.56
  4. Step 4: Simplify right side
    11,798.68x = 156,898,028.61
  5. Step 5: Solve for x
    x = 156,898,028.61/11,798.68
  6. Step 6: Final answer
    x = 13,297.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.