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Finding the Fourth Proportional to 12,326.73, 17,006.73 and 7,017.79

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Solution

The fourth proportional to 12,326.73, 17,006.73 and 7,017.79 is: 9,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.73 : 17,006.73 = 7,017.79 : x
  2. Step 2: Convert to fraction form
    12,326.73/17,006.73 = 7,017.79/x
  3. Step 3: Cross multiply
    12,326.73x = 17,006.73 × 7,017.79
  4. Step 4: Simplify right side
    12,326.73x = 119,349,681.99
  5. Step 5: Solve for x
    x = 119,349,681.99/12,326.73
  6. Step 6: Final answer
    x = 9,682.18

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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.