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Finding the Fourth Proportional to 60,399.16, 83,348.02 and 33,543.40

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Solution

The fourth proportional to 60,399.16, 83,348.02 and 33,543.40 is: 46,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.16 : 83,348.02 = 33,543.40 : x
  2. Step 2: Convert to fraction form
    60,399.16/83,348.02 = 33,543.40/x
  3. Step 3: Cross multiply
    60,399.16x = 83,348.02 × 33,543.40
  4. Step 4: Simplify right side
    60,399.16x = 2,795,775,974.07
  5. Step 5: Solve for x
    x = 2,795,775,974.07/60,399.16
  6. Step 6: Final answer
    x = 46,288.33

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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.