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Finding the Fourth Proportional to 63,396.62, 87,490.06 and 35,102.30

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Solution

The fourth proportional to 63,396.62, 87,490.06 and 35,102.30 is: 48,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,396.62 : 87,490.06 = 35,102.30 : x
  2. Step 2: Convert to fraction form
    63,396.62/87,490.06 = 35,102.30/x
  3. Step 3: Cross multiply
    63,396.62x = 87,490.06 × 35,102.30
  4. Step 4: Simplify right side
    63,396.62x = 3,071,102,333.14
  5. Step 5: Solve for x
    x = 3,071,102,333.14/63,396.62
  6. Step 6: Final answer
    x = 48,442.68

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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.