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Finding the Fourth Proportional to 22,670.16, 34,005.24 and 8,626.88

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Solution

The fourth proportional to 22,670.16, 34,005.24 and 8,626.88 is: 12,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.16 : 34,005.24 = 8,626.88 : x
  2. Step 2: Convert to fraction form
    22,670.16/34,005.24 = 8,626.88/x
  3. Step 3: Cross multiply
    22,670.16x = 34,005.24 × 8,626.88
  4. Step 4: Simplify right side
    22,670.16x = 293,358,954.83
  5. Step 5: Solve for x
    x = 293,358,954.83/22,670.16
  6. Step 6: Final answer
    x = 12,940.31

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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.