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Finding the Fourth Proportional to 79,304.94, 118,943.91 and 25,995.87

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Solution

The fourth proportional to 79,304.94, 118,943.91 and 25,995.87 is: 38,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,304.94 : 118,943.91 = 25,995.87 : x
  2. Step 2: Convert to fraction form
    79,304.94/118,943.91 = 25,995.87/x
  3. Step 3: Cross multiply
    79,304.94x = 118,943.91 × 25,995.87
  4. Step 4: Simplify right side
    79,304.94x = 3,092,050,421.65
  5. Step 5: Solve for x
    x = 3,092,050,421.65/79,304.94
  6. Step 6: Final answer
    x = 38,989.38

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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.