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Finding the Fourth Proportional to 84,980.27, 127,438.72 and 24,992.68

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Solution

The fourth proportional to 84,980.27, 127,438.72 and 24,992.68 is: 37,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,980.27 : 127,438.72 = 24,992.68 : x
  2. Step 2: Convert to fraction form
    84,980.27/127,438.72 = 24,992.68/x
  3. Step 3: Cross multiply
    84,980.27x = 127,438.72 × 24,992.68
  4. Step 4: Simplify right side
    84,980.27x = 3,185,035,148.57
  5. Step 5: Solve for x
    x = 3,185,035,148.57/84,980.27
  6. Step 6: Final answer
    x = 37,479.70

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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.