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Finding the Fourth Proportional to 8,580.02, 12,863.70 and 5,799.80

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Solution

The fourth proportional to 8,580.02, 12,863.70 and 5,799.80 is: 8,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.02 : 12,863.70 = 5,799.80 : x
  2. Step 2: Convert to fraction form
    8,580.02/12,863.70 = 5,799.80/x
  3. Step 3: Cross multiply
    8,580.02x = 12,863.70 × 5,799.80
  4. Step 4: Simplify right side
    8,580.02x = 74,606,887.26
  5. Step 5: Solve for x
    x = 74,606,887.26/8,580.02
  6. Step 6: Final answer
    x = 8,695.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.