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Finding the Fourth Proportional to 22,907.49, 34,366.62 and 7,111.71

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Solution

The fourth proportional to 22,907.49, 34,366.62 and 7,111.71 is: 10,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.49 : 34,366.62 = 7,111.71 : x
  2. Step 2: Convert to fraction form
    22,907.49/34,366.62 = 7,111.71/x
  3. Step 3: Cross multiply
    22,907.49x = 34,366.62 × 7,111.71
  4. Step 4: Simplify right side
    22,907.49x = 244,405,435.12
  5. Step 5: Solve for x
    x = 244,405,435.12/22,907.49
  6. Step 6: Final answer
    x = 10,669.24

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Double scale
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Similar ratio
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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.