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Finding the Fourth Proportional to 3,561.76, 5,343.07 and 1,483.17

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Solution

The fourth proportional to 3,561.76, 5,343.07 and 1,483.17 is: 2,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.76 : 5,343.07 = 1,483.17 : x
  2. Step 2: Convert to fraction form
    3,561.76/5,343.07 = 1,483.17/x
  3. Step 3: Cross multiply
    3,561.76x = 5,343.07 × 1,483.17
  4. Step 4: Simplify right side
    3,561.76x = 7,924,681.13
  5. Step 5: Solve for x
    x = 7,924,681.13/3,561.76
  6. Step 6: Final answer
    x = 2,224.93

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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.