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Finding the Fourth Proportional to 1,161.14, 1,748.04 and 1,059.08

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Solution

The fourth proportional to 1,161.14, 1,748.04 and 1,059.08 is: 1,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.14 : 1,748.04 = 1,059.08 : x
  2. Step 2: Convert to fraction form
    1,161.14/1,748.04 = 1,059.08/x
  3. Step 3: Cross multiply
    1,161.14x = 1,748.04 × 1,059.08
  4. Step 4: Simplify right side
    1,161.14x = 1,851,312.48
  5. Step 5: Solve for x
    x = 1,851,312.48/1,161.14
  6. Step 6: Final answer
    x = 1,594.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.