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Finding the Fourth Proportional to 3,948.61, 5,923.54 and 1,483.61

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Solution

The fourth proportional to 3,948.61, 5,923.54 and 1,483.61 is: 2,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.61 : 5,923.54 = 1,483.61 : x
  2. Step 2: Convert to fraction form
    3,948.61/5,923.54 = 1,483.61/x
  3. Step 3: Cross multiply
    3,948.61x = 5,923.54 × 1,483.61
  4. Step 4: Simplify right side
    3,948.61x = 8,788,223.18
  5. Step 5: Solve for x
    x = 8,788,223.18/3,948.61
  6. Step 6: Final answer
    x = 2,225.65

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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.