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Finding the Fourth Proportional to 14,844.81, 20,480.76 and 8,466.82

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Solution

The fourth proportional to 14,844.81, 20,480.76 and 8,466.82 is: 11,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.81 : 20,480.76 = 8,466.82 : x
  2. Step 2: Convert to fraction form
    14,844.81/20,480.76 = 8,466.82/x
  3. Step 3: Cross multiply
    14,844.81x = 20,480.76 × 8,466.82
  4. Step 4: Simplify right side
    14,844.81x = 173,406,882.78
  5. Step 5: Solve for x
    x = 173,406,882.78/14,844.81
  6. Step 6: Final answer
    x = 11,681.31

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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.