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Finding the Fourth Proportional to 9,461.92, 13,046.88 and 6,479.36

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Solution

The fourth proportional to 9,461.92, 13,046.88 and 6,479.36 is: 8,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.92 : 13,046.88 = 6,479.36 : x
  2. Step 2: Convert to fraction form
    9,461.92/13,046.88 = 6,479.36/x
  3. Step 3: Cross multiply
    9,461.92x = 13,046.88 × 6,479.36
  4. Step 4: Simplify right side
    9,461.92x = 84,535,432.40
  5. Step 5: Solve for x
    x = 84,535,432.40/9,461.92
  6. Step 6: Final answer
    x = 8,934.28

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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.