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Finding the Fourth Proportional to 6,045.48, 8,342.88 and 3,948.36

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Solution

The fourth proportional to 6,045.48, 8,342.88 and 3,948.36 is: 5,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,045.48 : 8,342.88 = 3,948.36 : x
  2. Step 2: Convert to fraction form
    6,045.48/8,342.88 = 3,948.36/x
  3. Step 3: Cross multiply
    6,045.48x = 8,342.88 × 3,948.36
  4. Step 4: Simplify right side
    6,045.48x = 32,940,693.68
  5. Step 5: Solve for x
    x = 32,940,693.68/6,045.48
  6. Step 6: Final answer
    x = 5,448.81

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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.