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Finding the Fourth Proportional to 32,578.75, 48,870.87 and 10,395.28

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Solution

The fourth proportional to 32,578.75, 48,870.87 and 10,395.28 is: 15,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.75 : 48,870.87 = 10,395.28 : x
  2. Step 2: Convert to fraction form
    32,578.75/48,870.87 = 10,395.28/x
  3. Step 3: Cross multiply
    32,578.75x = 48,870.87 × 10,395.28
  4. Step 4: Simplify right side
    32,578.75x = 508,026,377.49
  5. Step 5: Solve for x
    x = 508,026,377.49/32,578.75
  6. Step 6: Final answer
    x = 15,593.80

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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.