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Finding the Fourth Proportional to 8,365.68, 12,548.52 and 2,521.98

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Solution

The fourth proportional to 8,365.68, 12,548.52 and 2,521.98 is: 3,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.68 : 12,548.52 = 2,521.98 : x
  2. Step 2: Convert to fraction form
    8,365.68/12,548.52 = 2,521.98/x
  3. Step 3: Cross multiply
    8,365.68x = 12,548.52 × 2,521.98
  4. Step 4: Simplify right side
    8,365.68x = 31,647,116.47
  5. Step 5: Solve for x
    x = 31,647,116.47/8,365.68
  6. Step 6: Final answer
    x = 3,782.97

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1.5x scale

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.