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Finding the Fourth Proportional to 6,368.48, 8,789.28 and 4,010.57

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Solution

The fourth proportional to 6,368.48, 8,789.28 and 4,010.57 is: 5,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.48 : 8,789.28 = 4,010.57 : x
  2. Step 2: Convert to fraction form
    6,368.48/8,789.28 = 4,010.57/x
  3. Step 3: Cross multiply
    6,368.48x = 8,789.28 × 4,010.57
  4. Step 4: Simplify right side
    6,368.48x = 35,250,022.69
  5. Step 5: Solve for x
    x = 35,250,022.69/6,368.48
  6. Step 6: Final answer
    x = 5,535.08

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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.