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Finding the Fourth Proportional to 32,575.61, 48,879 and 18,355.43

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Solution

The fourth proportional to 32,575.61, 48,879 and 18,355.43 is: 27,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,575.61 : 48,879 = 18,355.43 : x
  2. Step 2: Convert to fraction form
    32,575.61/48,879 = 18,355.43/x
  3. Step 3: Cross multiply
    32,575.61x = 48,879 × 18,355.43
  4. Step 4: Simplify right side
    32,575.61x = 897,195,185.17
  5. Step 5: Solve for x
    x = 897,195,185.17/32,575.61
  6. Step 6: Final answer
    x = 27,541.93

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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.