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Finding the Fourth Proportional to 3,657.77, 5,487.19 and 1,060.37

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Solution

The fourth proportional to 3,657.77, 5,487.19 and 1,060.37 is: 1,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.77 : 5,487.19 = 1,060.37 : x
  2. Step 2: Convert to fraction form
    3,657.77/5,487.19 = 1,060.37/x
  3. Step 3: Cross multiply
    3,657.77x = 5,487.19 × 1,060.37
  4. Step 4: Simplify right side
    3,657.77x = 5,818,421.57
  5. Step 5: Solve for x
    x = 5,818,421.57/3,657.77
  6. Step 6: Final answer
    x = 1,590.70

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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.