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Finding the Fourth Proportional to 70,676.82, 97,539.58 and 40,471.65

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Solution

The fourth proportional to 70,676.82, 97,539.58 and 40,471.65 is: 55,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.82 : 97,539.58 = 40,471.65 : x
  2. Step 2: Convert to fraction form
    70,676.82/97,539.58 = 40,471.65/x
  3. Step 3: Cross multiply
    70,676.82x = 97,539.58 × 40,471.65
  4. Step 4: Simplify right side
    70,676.82x = 3,947,587,742.91
  5. Step 5: Solve for x
    x = 3,947,587,742.91/70,676.82
  6. Step 6: Final answer
    x = 55,854.07

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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.