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Finding the Fourth Proportional to 8,073.61, 12,103.93 and 4,561.45

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Solution

The fourth proportional to 8,073.61, 12,103.93 and 4,561.45 is: 6,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.61 : 12,103.93 = 4,561.45 : x
  2. Step 2: Convert to fraction form
    8,073.61/12,103.93 = 4,561.45/x
  3. Step 3: Cross multiply
    8,073.61x = 12,103.93 × 4,561.45
  4. Step 4: Simplify right side
    8,073.61x = 55,211,388.17
  5. Step 5: Solve for x
    x = 55,211,388.17/8,073.61
  6. Step 6: Final answer
    x = 6,838.51

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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.