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Finding the Fourth Proportional to 71,298.60, 98,394.39 and 41,081.58

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Solution

The fourth proportional to 71,298.60, 98,394.39 and 41,081.58 is: 56,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,298.60 : 98,394.39 = 41,081.58 : x
  2. Step 2: Convert to fraction form
    71,298.60/98,394.39 = 41,081.58/x
  3. Step 3: Cross multiply
    71,298.60x = 98,394.39 × 41,081.58
  4. Step 4: Simplify right side
    71,298.60x = 4,042,197,004.34
  5. Step 5: Solve for x
    x = 4,042,197,004.34/71,298.60
  6. Step 6: Final answer
    x = 56,693.92

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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.