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Finding the Fourth Proportional to 40,580.51, 60,884.60 and 21,862.46

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Solution

The fourth proportional to 40,580.51, 60,884.60 and 21,862.46 is: 32,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.51 : 60,884.60 = 21,862.46 : x
  2. Step 2: Convert to fraction form
    40,580.51/60,884.60 = 21,862.46/x
  3. Step 3: Cross multiply
    40,580.51x = 60,884.60 × 21,862.46
  4. Step 4: Simplify right side
    40,580.51x = 1,331,087,132.12
  5. Step 5: Solve for x
    x = 1,331,087,132.12/40,580.51
  6. Step 6: Final answer
    x = 32,801.14

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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.