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Finding the Fourth Proportional to 32,948.40, 49,422.60 and 31,335.60

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Solution

The fourth proportional to 32,948.40, 49,422.60 and 31,335.60 is: 47,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,948.40 : 49,422.60 = 31,335.60 : x
  2. Step 2: Convert to fraction form
    32,948.40/49,422.60 = 31,335.60/x
  3. Step 3: Cross multiply
    32,948.40x = 49,422.60 × 31,335.60
  4. Step 4: Simplify right side
    32,948.40x = 1,548,686,824.56
  5. Step 5: Solve for x
    x = 1,548,686,824.56/32,948.40
  6. Step 6: Final answer
    x = 47,003.40

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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.