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Finding the Fourth Proportional to 51,610.60, 71,223.78 and 31,468.60

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Solution

The fourth proportional to 51,610.60, 71,223.78 and 31,468.60 is: 43,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,610.60 : 71,223.78 = 31,468.60 : x
  2. Step 2: Convert to fraction form
    51,610.60/71,223.78 = 31,468.60/x
  3. Step 3: Cross multiply
    51,610.60x = 71,223.78 × 31,468.60
  4. Step 4: Simplify right side
    51,610.60x = 2,241,312,643.31
  5. Step 5: Solve for x
    x = 2,241,312,643.31/51,610.60
  6. Step 6: Final answer
    x = 43,427.37

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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.