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Finding the Fourth Proportional to 8,304.76, 12,458.85 and 3,374.39

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Solution

The fourth proportional to 8,304.76, 12,458.85 and 3,374.39 is: 5,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.76 : 12,458.85 = 3,374.39 : x
  2. Step 2: Convert to fraction form
    8,304.76/12,458.85 = 3,374.39/x
  3. Step 3: Cross multiply
    8,304.76x = 12,458.85 × 3,374.39
  4. Step 4: Simplify right side
    8,304.76x = 42,041,018.85
  5. Step 5: Solve for x
    x = 42,041,018.85/8,304.76
  6. Step 6: Final answer
    x = 5,062.28

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1.5x scale

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.