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Finding the Fourth Proportional to 64,560.87, 96,846.89 and 17,813.75

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Solution

The fourth proportional to 64,560.87, 96,846.89 and 17,813.75 is: 26,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,560.87 : 96,846.89 = 17,813.75 : x
  2. Step 2: Convert to fraction form
    64,560.87/96,846.89 = 17,813.75/x
  3. Step 3: Cross multiply
    64,560.87x = 96,846.89 × 17,813.75
  4. Step 4: Simplify right side
    64,560.87x = 1,725,205,713.43
  5. Step 5: Solve for x
    x = 1,725,205,713.43/64,560.87
  6. Step 6: Final answer
    x = 26,722.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.