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Finding the Fourth Proportional to 60,175.80, 83,045.68 and 33,321.28

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Solution

The fourth proportional to 60,175.80, 83,045.68 and 33,321.28 is: 45,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,175.80 : 83,045.68 = 33,321.28 : x
  2. Step 2: Convert to fraction form
    60,175.80/83,045.68 = 33,321.28/x
  3. Step 3: Cross multiply
    60,175.80x = 83,045.68 × 33,321.28
  4. Step 4: Simplify right side
    60,175.80x = 2,767,188,356.07
  5. Step 5: Solve for x
    x = 2,767,188,356.07/60,175.80
  6. Step 6: Final answer
    x = 45,985.07

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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.