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Finding the Fourth Proportional to 32,881.43, 49,272.80 and 19,719.33

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Solution

The fourth proportional to 32,881.43, 49,272.80 and 19,719.33 is: 29,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.43 : 49,272.80 = 19,719.33 : x
  2. Step 2: Convert to fraction form
    32,881.43/49,272.80 = 19,719.33/x
  3. Step 3: Cross multiply
    32,881.43x = 49,272.80 × 19,719.33
  4. Step 4: Simplify right side
    32,881.43x = 971,626,504.63
  5. Step 5: Solve for x
    x = 971,626,504.63/32,881.43
  6. Step 6: Final answer
    x = 29,549.40

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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.