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Finding the Fourth Proportional to 9,425.76, 12,998.80 and 6,062.64

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Solution

The fourth proportional to 9,425.76, 12,998.80 and 6,062.64 is: 8,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.76 : 12,998.80 = 6,062.64 : x
  2. Step 2: Convert to fraction form
    9,425.76/12,998.80 = 6,062.64/x
  3. Step 3: Cross multiply
    9,425.76x = 12,998.80 × 6,062.64
  4. Step 4: Simplify right side
    9,425.76x = 78,807,044.83
  5. Step 5: Solve for x
    x = 78,807,044.83/9,425.76
  6. Step 6: Final answer
    x = 8,360.82

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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.