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Finding the Fourth Proportional to 68,265.24, 94,218.42 and 39,603.24

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Solution

The fourth proportional to 68,265.24, 94,218.42 and 39,603.24 is: 54,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,265.24 : 94,218.42 = 39,603.24 : x
  2. Step 2: Convert to fraction form
    68,265.24/94,218.42 = 39,603.24/x
  3. Step 3: Cross multiply
    68,265.24x = 94,218.42 × 39,603.24
  4. Step 4: Simplify right side
    68,265.24x = 3,731,354,699.68
  5. Step 5: Solve for x
    x = 3,731,354,699.68/68,265.24
  6. Step 6: Final answer
    x = 54,659.66

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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.