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Finding the Fourth Proportional to 60,161.62, 82,962.82 and 40,019.35

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Solution

The fourth proportional to 60,161.62, 82,962.82 and 40,019.35 is: 55,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.62 : 82,962.82 = 40,019.35 : x
  2. Step 2: Convert to fraction form
    60,161.62/82,962.82 = 40,019.35/x
  3. Step 3: Cross multiply
    60,161.62x = 82,962.82 × 40,019.35
  4. Step 4: Simplify right side
    60,161.62x = 3,320,118,130.57
  5. Step 5: Solve for x
    x = 3,320,118,130.57/60,161.62
  6. Step 6: Final answer
    x = 55,186.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.