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Finding the Fourth Proportional to 73,653.85, 101,643 and 41,823.41

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Solution

The fourth proportional to 73,653.85, 101,643 and 41,823.41 is: 57,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,653.85 : 101,643 = 41,823.41 : x
  2. Step 2: Convert to fraction form
    73,653.85/101,643 = 41,823.41/x
  3. Step 3: Cross multiply
    73,653.85x = 101,643 × 41,823.41
  4. Step 4: Simplify right side
    73,653.85x = 4,251,056,862.63
  5. Step 5: Solve for x
    x = 4,251,056,862.63/73,653.85
  6. Step 6: Final answer
    x = 57,716.70

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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.