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Finding the Fourth Proportional to 2,326.92, 3,490.98 and 767.16

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Solution

The fourth proportional to 2,326.92, 3,490.98 and 767.16 is: 1,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.92 : 3,490.98 = 767.16 : x
  2. Step 2: Convert to fraction form
    2,326.92/3,490.98 = 767.16/x
  3. Step 3: Cross multiply
    2,326.92x = 3,490.98 × 767.16
  4. Step 4: Simplify right side
    2,326.92x = 2,678,140.22
  5. Step 5: Solve for x
    x = 2,678,140.22/2,326.92
  6. Step 6: Final answer
    x = 1,150.94

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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.