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Finding the Fourth Proportional to 32,432.78, 44,750.91 and 19,848.62

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Solution

The fourth proportional to 32,432.78, 44,750.91 and 19,848.62 is: 27,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,432.78 : 44,750.91 = 19,848.62 : x
  2. Step 2: Convert to fraction form
    32,432.78/44,750.91 = 19,848.62/x
  3. Step 3: Cross multiply
    32,432.78x = 44,750.91 × 19,848.62
  4. Step 4: Simplify right side
    32,432.78x = 888,243,807.24
  5. Step 5: Solve for x
    x = 888,243,807.24/32,432.78
  6. Step 6: Final answer
    x = 27,387.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.