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Finding the Fourth Proportional to 62,844.40, 94,266.60 and 31,740.40

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Solution

The fourth proportional to 62,844.40, 94,266.60 and 31,740.40 is: 47,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,844.40 : 94,266.60 = 31,740.40 : x
  2. Step 2: Convert to fraction form
    62,844.40/94,266.60 = 31,740.40/x
  3. Step 3: Cross multiply
    62,844.40x = 94,266.60 × 31,740.40
  4. Step 4: Simplify right side
    62,844.40x = 2,992,059,590.64
  5. Step 5: Solve for x
    x = 2,992,059,590.64/62,844.40
  6. Step 6: Final answer
    x = 47,610.60

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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.