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Finding the Fourth Proportional to 15,174.66, 22,762.08 and 8,292.90

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Solution

The fourth proportional to 15,174.66, 22,762.08 and 8,292.90 is: 12,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.66 : 22,762.08 = 8,292.90 : x
  2. Step 2: Convert to fraction form
    15,174.66/22,762.08 = 8,292.90/x
  3. Step 3: Cross multiply
    15,174.66x = 22,762.08 × 8,292.90
  4. Step 4: Simplify right side
    15,174.66x = 188,763,653.23
  5. Step 5: Solve for x
    x = 188,763,653.23/15,174.66
  6. Step 6: Final answer
    x = 12,439.40

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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.