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Finding the Fourth Proportional to 43,807.30, 65,710.95 and 25,317.70

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Solution

The fourth proportional to 43,807.30, 65,710.95 and 25,317.70 is: 37,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.30 : 65,710.95 = 25,317.70 : x
  2. Step 2: Convert to fraction form
    43,807.30/65,710.95 = 25,317.70/x
  3. Step 3: Cross multiply
    43,807.30x = 65,710.95 × 25,317.70
  4. Step 4: Simplify right side
    43,807.30x = 1,663,650,118.82
  5. Step 5: Solve for x
    x = 1,663,650,118.82/43,807.30
  6. Step 6: Final answer
    x = 37,976.55

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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.