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Finding the Fourth Proportional to 15,980.93, 22,053.47 and 9,266.38

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Solution

The fourth proportional to 15,980.93, 22,053.47 and 9,266.38 is: 12,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.93 : 22,053.47 = 9,266.38 : x
  2. Step 2: Convert to fraction form
    15,980.93/22,053.47 = 9,266.38/x
  3. Step 3: Cross multiply
    15,980.93x = 22,053.47 × 9,266.38
  4. Step 4: Simplify right side
    15,980.93x = 204,355,855.92
  5. Step 5: Solve for x
    x = 204,355,855.92/15,980.93
  6. Step 6: Final answer
    x = 12,787.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.