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Finding the Fourth Proportional to 63,197.84, 87,230.40 and 39,310.32

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Solution

The fourth proportional to 63,197.84, 87,230.40 and 39,310.32 is: 54,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,197.84 : 87,230.40 = 39,310.32 : x
  2. Step 2: Convert to fraction form
    63,197.84/87,230.40 = 39,310.32/x
  3. Step 3: Cross multiply
    63,197.84x = 87,230.40 × 39,310.32
  4. Step 4: Simplify right side
    63,197.84x = 3,429,054,937.73
  5. Step 5: Solve for x
    x = 3,429,054,937.73/63,197.84
  6. Step 6: Final answer
    x = 54,259.05

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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.