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Finding the Fourth Proportional to 60,989.44, 84,164.88 and 34,131.64

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Solution

The fourth proportional to 60,989.44, 84,164.88 and 34,131.64 is: 47,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.44 : 84,164.88 = 34,131.64 : x
  2. Step 2: Convert to fraction form
    60,989.44/84,164.88 = 34,131.64/x
  3. Step 3: Cross multiply
    60,989.44x = 84,164.88 × 34,131.64
  4. Step 4: Simplify right side
    60,989.44x = 2,872,685,384.80
  5. Step 5: Solve for x
    x = 2,872,685,384.80/60,989.44
  6. Step 6: Final answer
    x = 47,101.36

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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.