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Finding the Fourth Proportional to 5,472.45, 7,557.71 and 4,302.09

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Solution

The fourth proportional to 5,472.45, 7,557.71 and 4,302.09 is: 5,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.45 : 7,557.71 = 4,302.09 : x
  2. Step 2: Convert to fraction form
    5,472.45/7,557.71 = 4,302.09/x
  3. Step 3: Cross multiply
    5,472.45x = 7,557.71 × 4,302.09
  4. Step 4: Simplify right side
    5,472.45x = 32,513,927.10
  5. Step 5: Solve for x
    x = 32,513,927.10/5,472.45
  6. Step 6: Final answer
    x = 5,941.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.