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Finding the Fourth Proportional to 15,754.80, 23,646.66 and 7,969.08

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Solution

The fourth proportional to 15,754.80, 23,646.66 and 7,969.08 is: 11,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.80 : 23,646.66 = 7,969.08 : x
  2. Step 2: Convert to fraction form
    15,754.80/23,646.66 = 7,969.08/x
  3. Step 3: Cross multiply
    15,754.80x = 23,646.66 × 7,969.08
  4. Step 4: Simplify right side
    15,754.80x = 188,442,125.27
  5. Step 5: Solve for x
    x = 188,442,125.27/15,754.80
  6. Step 6: Final answer
    x = 11,960.93

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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.