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Finding the Fourth Proportional to 32,802.78, 45,251.24 and 19,181.92

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Solution

The fourth proportional to 32,802.78, 45,251.24 and 19,181.92 is: 26,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,802.78 : 45,251.24 = 19,181.92 : x
  2. Step 2: Convert to fraction form
    32,802.78/45,251.24 = 19,181.92/x
  3. Step 3: Cross multiply
    32,802.78x = 45,251.24 × 19,181.92
  4. Step 4: Simplify right side
    32,802.78x = 868,005,600.41
  5. Step 5: Solve for x
    x = 868,005,600.41/32,802.78
  6. Step 6: Final answer
    x = 26,461.34

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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.