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Finding the Fourth Proportional to 10,959.32, 16,425.30 and 4,712

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Solution

The fourth proportional to 10,959.32, 16,425.30 and 4,712 is: 7,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.32 : 16,425.30 = 4,712 : x
  2. Step 2: Convert to fraction form
    10,959.32/16,425.30 = 4,712/x
  3. Step 3: Cross multiply
    10,959.32x = 16,425.30 × 4,712
  4. Step 4: Simplify right side
    10,959.32x = 77,396,013.60
  5. Step 5: Solve for x
    x = 77,396,013.60/10,959.32
  6. Step 6: Final answer
    x = 7,062.12

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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.