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Finding the Fourth Proportional to 6,357.47, 8,773.02 and 3,486.25

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Solution

The fourth proportional to 6,357.47, 8,773.02 and 3,486.25 is: 4,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.47 : 8,773.02 = 3,486.25 : x
  2. Step 2: Convert to fraction form
    6,357.47/8,773.02 = 3,486.25/x
  3. Step 3: Cross multiply
    6,357.47x = 8,773.02 × 3,486.25
  4. Step 4: Simplify right side
    6,357.47x = 30,584,951.94
  5. Step 5: Solve for x
    x = 30,584,951.94/6,357.47
  6. Step 6: Final answer
    x = 4,810.87

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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.