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Finding the Fourth Proportional to 2,316.32, 3,475.04 and 756.33

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Solution

The fourth proportional to 2,316.32, 3,475.04 and 756.33 is: 1,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.32 : 3,475.04 = 756.33 : x
  2. Step 2: Convert to fraction form
    2,316.32/3,475.04 = 756.33/x
  3. Step 3: Cross multiply
    2,316.32x = 3,475.04 × 756.33
  4. Step 4: Simplify right side
    2,316.32x = 2,628,280.48
  5. Step 5: Solve for x
    x = 2,628,280.48/2,316.32
  6. Step 6: Final answer
    x = 1,134.68

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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.