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Finding the Fourth Proportional to 15,950.52, 22,008.51 and 9,659.25

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Solution

The fourth proportional to 15,950.52, 22,008.51 and 9,659.25 is: 13,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.52 : 22,008.51 = 9,659.25 : x
  2. Step 2: Convert to fraction form
    15,950.52/22,008.51 = 9,659.25/x
  3. Step 3: Cross multiply
    15,950.52x = 22,008.51 × 9,659.25
  4. Step 4: Simplify right side
    15,950.52x = 212,585,700.22
  5. Step 5: Solve for x
    x = 212,585,700.22/15,950.52
  6. Step 6: Final answer
    x = 13,327.82

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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.