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Finding the Fourth Proportional to 23,616.66, 35,428.86 and 6,978.36

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Solution

The fourth proportional to 23,616.66, 35,428.86 and 6,978.36 is: 10,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,616.66 : 35,428.86 = 6,978.36 : x
  2. Step 2: Convert to fraction form
    23,616.66/35,428.86 = 6,978.36/x
  3. Step 3: Cross multiply
    23,616.66x = 35,428.86 × 6,978.36
  4. Step 4: Simplify right side
    23,616.66x = 247,235,339.47
  5. Step 5: Solve for x
    x = 247,235,339.47/23,616.66
  6. Step 6: Final answer
    x = 10,468.68

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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.