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Finding the Fourth Proportional to 63,396.84, 87,486.30 and 35,100.84

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Solution

The fourth proportional to 63,396.84, 87,486.30 and 35,100.84 is: 48,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,396.84 : 87,486.30 = 35,100.84 : x
  2. Step 2: Convert to fraction form
    63,396.84/87,486.30 = 35,100.84/x
  3. Step 3: Cross multiply
    63,396.84x = 87,486.30 × 35,100.84
  4. Step 4: Simplify right side
    63,396.84x = 3,070,842,618.49
  5. Step 5: Solve for x
    x = 3,070,842,618.49/63,396.84
  6. Step 6: Final answer
    x = 48,438.42

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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.