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Finding the Fourth Proportional to 5,579.39, 8,352.63 and 4,887.41

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Solution

The fourth proportional to 5,579.39, 8,352.63 and 4,887.41 is: 7,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.39 : 8,352.63 = 4,887.41 : x
  2. Step 2: Convert to fraction form
    5,579.39/8,352.63 = 4,887.41/x
  3. Step 3: Cross multiply
    5,579.39x = 8,352.63 × 4,887.41
  4. Step 4: Simplify right side
    5,579.39x = 40,822,685.63
  5. Step 5: Solve for x
    x = 40,822,685.63/5,579.39
  6. Step 6: Final answer
    x = 7,316.70

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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.