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Finding the Fourth Proportional to 12,326.95, 17,010 and 7,291.09

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Solution

The fourth proportional to 12,326.95, 17,010 and 7,291.09 is: 10,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.95 : 17,010 = 7,291.09 : x
  2. Step 2: Convert to fraction form
    12,326.95/17,010 = 7,291.09/x
  3. Step 3: Cross multiply
    12,326.95x = 17,010 × 7,291.09
  4. Step 4: Simplify right side
    12,326.95x = 124,021,440.90
  5. Step 5: Solve for x
    x = 124,021,440.90/12,326.95
  6. Step 6: Final answer
    x = 10,061.00

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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.