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Finding the Fourth Proportional to 61,326.60, 84,629.70 and 34,101.60

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Solution

The fourth proportional to 61,326.60, 84,629.70 and 34,101.60 is: 47,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.60 : 84,629.70 = 34,101.60 : x
  2. Step 2: Convert to fraction form
    61,326.60/84,629.70 = 34,101.60/x
  3. Step 3: Cross multiply
    61,326.60x = 84,629.70 × 34,101.60
  4. Step 4: Simplify right side
    61,326.60x = 2,886,008,177.52
  5. Step 5: Solve for x
    x = 2,886,008,177.52/61,326.60
  6. Step 6: Final answer
    x = 47,059.65

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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.