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Finding the Fourth Proportional to 79,282.63, 118,923.95 and 26,687.71

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Solution

The fourth proportional to 79,282.63, 118,923.95 and 26,687.71 is: 40,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.63 : 118,923.95 = 26,687.71 : x
  2. Step 2: Convert to fraction form
    79,282.63/118,923.95 = 26,687.71/x
  3. Step 3: Cross multiply
    79,282.63x = 118,923.95 × 26,687.71
  4. Step 4: Simplify right side
    79,282.63x = 3,173,807,889.65
  5. Step 5: Solve for x
    x = 3,173,807,889.65/79,282.63
  6. Step 6: Final answer
    x = 40,031.57

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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.