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Finding the Fourth Proportional to 6,293.90, 8,686.82 and 4,799.13

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Solution

The fourth proportional to 6,293.90, 8,686.82 and 4,799.13 is: 6,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.90 : 8,686.82 = 4,799.13 : x
  2. Step 2: Convert to fraction form
    6,293.90/8,686.82 = 4,799.13/x
  3. Step 3: Cross multiply
    6,293.90x = 8,686.82 × 4,799.13
  4. Step 4: Simplify right side
    6,293.90x = 41,689,154.47
  5. Step 5: Solve for x
    x = 41,689,154.47/6,293.90
  6. Step 6: Final answer
    x = 6,623.74

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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.