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Finding the Fourth Proportional to 15,995.88, 22,076.98 and 9,287.08

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Solution

The fourth proportional to 15,995.88, 22,076.98 and 9,287.08 is: 12,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.88 : 22,076.98 = 9,287.08 : x
  2. Step 2: Convert to fraction form
    15,995.88/22,076.98 = 9,287.08/x
  3. Step 3: Cross multiply
    15,995.88x = 22,076.98 × 9,287.08
  4. Step 4: Simplify right side
    15,995.88x = 205,030,679.42
  5. Step 5: Solve for x
    x = 205,030,679.42/15,995.88
  6. Step 6: Final answer
    x = 12,817.72

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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.