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Finding the Fourth Proportional to 6,443.13, 8,896.55 and 4,948.68

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Solution

The fourth proportional to 6,443.13, 8,896.55 and 4,948.68 is: 6,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.13 : 8,896.55 = 4,948.68 : x
  2. Step 2: Convert to fraction form
    6,443.13/8,896.55 = 4,948.68/x
  3. Step 3: Cross multiply
    6,443.13x = 8,896.55 × 4,948.68
  4. Step 4: Simplify right side
    6,443.13x = 44,026,154.31
  5. Step 5: Solve for x
    x = 44,026,154.31/6,443.13
  6. Step 6: Final answer
    x = 6,833.04

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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.