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Finding the Fourth Proportional to 32,418.83, 44,731.20 and 19,678.68

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Solution

The fourth proportional to 32,418.83, 44,731.20 and 19,678.68 is: 27,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.83 : 44,731.20 = 19,678.68 : x
  2. Step 2: Convert to fraction form
    32,418.83/44,731.20 = 19,678.68/x
  3. Step 3: Cross multiply
    32,418.83x = 44,731.20 × 19,678.68
  4. Step 4: Simplify right side
    32,418.83x = 880,251,044.61
  5. Step 5: Solve for x
    x = 880,251,044.61/32,418.83
  6. Step 6: Final answer
    x = 27,152.46

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1.5x scale

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.