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Finding the Fourth Proportional to 3,557.59, 5,329.02 and 3,113.03

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Solution

The fourth proportional to 3,557.59, 5,329.02 and 3,113.03 is: 4,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.59 : 5,329.02 = 3,113.03 : x
  2. Step 2: Convert to fraction form
    3,557.59/5,329.02 = 3,113.03/x
  3. Step 3: Cross multiply
    3,557.59x = 5,329.02 × 3,113.03
  4. Step 4: Simplify right side
    3,557.59x = 16,589,424.13
  5. Step 5: Solve for x
    x = 16,589,424.13/3,557.59
  6. Step 6: Final answer
    x = 4,663.11

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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.