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Finding the Fourth Proportional to 61,478.58, 84,287.44 and 60,357.74

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Solution

The fourth proportional to 61,478.58, 84,287.44 and 60,357.74 is: 82,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,478.58 : 84,287.44 = 60,357.74 : x
  2. Step 2: Convert to fraction form
    61,478.58/84,287.44 = 60,357.74/x
  3. Step 3: Cross multiply
    61,478.58x = 84,287.44 × 60,357.74
  4. Step 4: Simplify right side
    61,478.58x = 5,087,399,388.79
  5. Step 5: Solve for x
    x = 5,087,399,388.79/61,478.58
  6. Step 6: Final answer
    x = 82,750.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.