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Finding the Fourth Proportional to 15,959.76, 22,034.64 and 10,932.48

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Solution

The fourth proportional to 15,959.76, 22,034.64 and 10,932.48 is: 15,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.76 : 22,034.64 = 10,932.48 : x
  2. Step 2: Convert to fraction form
    15,959.76/22,034.64 = 10,932.48/x
  3. Step 3: Cross multiply
    15,959.76x = 22,034.64 × 10,932.48
  4. Step 4: Simplify right side
    15,959.76x = 240,893,261.11
  5. Step 5: Solve for x
    x = 240,893,261.11/15,959.76
  6. Step 6: Final answer
    x = 15,093.79

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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.