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Finding the Fourth Proportional to 12,675.61, 17,491.99 and 7,010.26

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Solution

The fourth proportional to 12,675.61, 17,491.99 and 7,010.26 is: 9,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.61 : 17,491.99 = 7,010.26 : x
  2. Step 2: Convert to fraction form
    12,675.61/17,491.99 = 7,010.26/x
  3. Step 3: Cross multiply
    12,675.61x = 17,491.99 × 7,010.26
  4. Step 4: Simplify right side
    12,675.61x = 122,623,397.82
  5. Step 5: Solve for x
    x = 122,623,397.82/12,675.61
  6. Step 6: Final answer
    x = 9,673.96

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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.