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Finding the Fourth Proportional to 12,673.13, 17,488.91 and 7,084.13

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Solution

The fourth proportional to 12,673.13, 17,488.91 and 7,084.13 is: 9,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.13 : 17,488.91 = 7,084.13 : x
  2. Step 2: Convert to fraction form
    12,673.13/17,488.91 = 7,084.13/x
  3. Step 3: Cross multiply
    12,673.13x = 17,488.91 × 7,084.13
  4. Step 4: Simplify right side
    12,673.13x = 123,893,642.26
  5. Step 5: Solve for x
    x = 123,893,642.26/12,673.13
  6. Step 6: Final answer
    x = 9,776.09

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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.