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Finding the Fourth Proportional to 62,895.63, 86,797.60 and 34,217.08

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Solution

The fourth proportional to 62,895.63, 86,797.60 and 34,217.08 is: 47,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,895.63 : 86,797.60 = 34,217.08 : x
  2. Step 2: Convert to fraction form
    62,895.63/86,797.60 = 34,217.08/x
  3. Step 3: Cross multiply
    62,895.63x = 86,797.60 × 34,217.08
  4. Step 4: Simplify right side
    62,895.63x = 2,969,960,120.47
  5. Step 5: Solve for x
    x = 2,969,960,120.47/62,895.63
  6. Step 6: Final answer
    x = 47,220.45

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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.