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Finding the Fourth Proportional to 62,867.60, 94,306.80 and 20,735.12

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Solution

The fourth proportional to 62,867.60, 94,306.80 and 20,735.12 is: 31,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,867.60 : 94,306.80 = 20,735.12 : x
  2. Step 2: Convert to fraction form
    62,867.60/94,306.80 = 20,735.12/x
  3. Step 3: Cross multiply
    62,867.60x = 94,306.80 × 20,735.12
  4. Step 4: Simplify right side
    62,867.60x = 1,955,462,814.82
  5. Step 5: Solve for x
    x = 1,955,462,814.82/62,867.60
  6. Step 6: Final answer
    x = 31,104.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.