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Finding the Fourth Proportional to 15,309.69, 22,973.39 and 6,424.22

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Solution

The fourth proportional to 15,309.69, 22,973.39 and 6,424.22 is: 9,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.69 : 22,973.39 = 6,424.22 : x
  2. Step 2: Convert to fraction form
    15,309.69/22,973.39 = 6,424.22/x
  3. Step 3: Cross multiply
    15,309.69x = 22,973.39 × 6,424.22
  4. Step 4: Simplify right side
    15,309.69x = 147,586,079.38
  5. Step 5: Solve for x
    x = 147,586,079.38/15,309.69
  6. Step 6: Final answer
    x = 9,640.05

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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.