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Finding the Fourth Proportional to 1,041.30, 1,437.17 and 792.22

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Solution

The fourth proportional to 1,041.30, 1,437.17 and 792.22 is: 1,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.30 : 1,437.17 = 792.22 : x
  2. Step 2: Convert to fraction form
    1,041.30/1,437.17 = 792.22/x
  3. Step 3: Cross multiply
    1,041.30x = 1,437.17 × 792.22
  4. Step 4: Simplify right side
    1,041.30x = 1,138,554.82
  5. Step 5: Solve for x
    x = 1,138,554.82/1,041.30
  6. Step 6: Final answer
    x = 1,093.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.