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Finding the Fourth Proportional to 15,326.61, 22,968.65 and 6,986.25

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Solution

The fourth proportional to 15,326.61, 22,968.65 and 6,986.25 is: 10,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.61 : 22,968.65 = 6,986.25 : x
  2. Step 2: Convert to fraction form
    15,326.61/22,968.65 = 6,986.25/x
  3. Step 3: Cross multiply
    15,326.61x = 22,968.65 × 6,986.25
  4. Step 4: Simplify right side
    15,326.61x = 160,464,696.13
  5. Step 5: Solve for x
    x = 160,464,696.13/15,326.61
  6. Step 6: Final answer
    x = 10,469.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.