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Finding the Fourth Proportional to 6,866.91, 9,475.28 and 4,033.60

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Solution

The fourth proportional to 6,866.91, 9,475.28 and 4,033.60 is: 5,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.91 : 9,475.28 = 4,033.60 : x
  2. Step 2: Convert to fraction form
    6,866.91/9,475.28 = 4,033.60/x
  3. Step 3: Cross multiply
    6,866.91x = 9,475.28 × 4,033.60
  4. Step 4: Simplify right side
    6,866.91x = 38,219,460.68
  5. Step 5: Solve for x
    x = 38,219,460.68/6,866.91
  6. Step 6: Final answer
    x = 5,565.74

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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.