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Finding the Fourth Proportional to 67,856.24, 93,645.24 and 39,560.24

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Solution

The fourth proportional to 67,856.24, 93,645.24 and 39,560.24 is: 54,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.24 : 93,645.24 = 39,560.24 : x
  2. Step 2: Convert to fraction form
    67,856.24/93,645.24 = 39,560.24/x
  3. Step 3: Cross multiply
    67,856.24x = 93,645.24 × 39,560.24
  4. Step 4: Simplify right side
    67,856.24x = 3,704,628,169.26
  5. Step 5: Solve for x
    x = 3,704,628,169.26/67,856.24
  6. Step 6: Final answer
    x = 54,595.25

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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.