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Finding the Fourth Proportional to 34,587, 51,871.05 and 12,396.24

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Solution

The fourth proportional to 34,587, 51,871.05 and 12,396.24 is: 18,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587 : 51,871.05 = 12,396.24 : x
  2. Step 2: Convert to fraction form
    34,587/51,871.05 = 12,396.24/x
  3. Step 3: Cross multiply
    34,587x = 51,871.05 × 12,396.24
  4. Step 4: Simplify right side
    34,587x = 643,005,984.85
  5. Step 5: Solve for x
    x = 643,005,984.85/34,587
  6. Step 6: Final answer
    x = 18,590.97

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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.