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Finding the Fourth Proportional to 3,703.78, 5,545.18 and 2,959.51

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Solution

The fourth proportional to 3,703.78, 5,545.18 and 2,959.51 is: 4,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.78 : 5,545.18 = 2,959.51 : x
  2. Step 2: Convert to fraction form
    3,703.78/5,545.18 = 2,959.51/x
  3. Step 3: Cross multiply
    3,703.78x = 5,545.18 × 2,959.51
  4. Step 4: Simplify right side
    3,703.78x = 16,411,039.81
  5. Step 5: Solve for x
    x = 16,411,039.81/3,703.78
  6. Step 6: Final answer
    x = 4,430.89

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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.