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Finding the Fourth Proportional to 8,967.93, 13,451.97 and 3,124.53

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Solution

The fourth proportional to 8,967.93, 13,451.97 and 3,124.53 is: 4,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.93 : 13,451.97 = 3,124.53 : x
  2. Step 2: Convert to fraction form
    8,967.93/13,451.97 = 3,124.53/x
  3. Step 3: Cross multiply
    8,967.93x = 13,451.97 × 3,124.53
  4. Step 4: Simplify right side
    8,967.93x = 42,031,083.82
  5. Step 5: Solve for x
    x = 42,031,083.82/8,967.93
  6. Step 6: Final answer
    x = 4,686.82

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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.