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Finding the Fourth Proportional to 1,134.33, 1,701.63 and 847.59

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Solution

The fourth proportional to 1,134.33, 1,701.63 and 847.59 is: 1,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.33 : 1,701.63 = 847.59 : x
  2. Step 2: Convert to fraction form
    1,134.33/1,701.63 = 847.59/x
  3. Step 3: Cross multiply
    1,134.33x = 1,701.63 × 847.59
  4. Step 4: Simplify right side
    1,134.33x = 1,442,284.57
  5. Step 5: Solve for x
    x = 1,442,284.57/1,134.33
  6. Step 6: Final answer
    x = 1,271.49

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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.