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Finding the Fourth Proportional to 1,141.67, 1,565.67 and 1,094.32

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Solution

The fourth proportional to 1,141.67, 1,565.67 and 1,094.32 is: 1,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.67 : 1,565.67 = 1,094.32 : x
  2. Step 2: Convert to fraction form
    1,141.67/1,565.67 = 1,094.32/x
  3. Step 3: Cross multiply
    1,141.67x = 1,565.67 × 1,094.32
  4. Step 4: Simplify right side
    1,141.67x = 1,713,330.69
  5. Step 5: Solve for x
    x = 1,713,330.69/1,141.67
  6. Step 6: Final answer
    x = 1,500.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.