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Finding the Fourth Proportional to 8,173.73, 12,264.74 and 3,730.90

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Solution

The fourth proportional to 8,173.73, 12,264.74 and 3,730.90 is: 5,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.73 : 12,264.74 = 3,730.90 : x
  2. Step 2: Convert to fraction form
    8,173.73/12,264.74 = 3,730.90/x
  3. Step 3: Cross multiply
    8,173.73x = 12,264.74 × 3,730.90
  4. Step 4: Simplify right side
    8,173.73x = 45,758,518.47
  5. Step 5: Solve for x
    x = 45,758,518.47/8,173.73
  6. Step 6: Final answer
    x = 5,598.24

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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.