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Finding the Fourth Proportional to 5,559.47, 8,345.07 and 5,433.96

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Solution

The fourth proportional to 5,559.47, 8,345.07 and 5,433.96 is: 8,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.47 : 8,345.07 = 5,433.96 : x
  2. Step 2: Convert to fraction form
    5,559.47/8,345.07 = 5,433.96/x
  3. Step 3: Cross multiply
    5,559.47x = 8,345.07 × 5,433.96
  4. Step 4: Simplify right side
    5,559.47x = 45,346,776.58
  5. Step 5: Solve for x
    x = 45,346,776.58/5,559.47
  6. Step 6: Final answer
    x = 8,156.68

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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.