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Finding the Fourth Proportional to 15,952.93, 22,014.66 and 8,879.20

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Solution

The fourth proportional to 15,952.93, 22,014.66 and 8,879.20 is: 12,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.93 : 22,014.66 = 8,879.20 : x
  2. Step 2: Convert to fraction form
    15,952.93/22,014.66 = 8,879.20/x
  3. Step 3: Cross multiply
    15,952.93x = 22,014.66 × 8,879.20
  4. Step 4: Simplify right side
    15,952.93x = 195,472,536.23
  5. Step 5: Solve for x
    x = 195,472,536.23/15,952.93
  6. Step 6: Final answer
    x = 12,253.08

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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.