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Finding the Fourth Proportional to 922.07, 1,271.85 and 700.52

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Solution

The fourth proportional to 922.07, 1,271.85 and 700.52 is: 966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.07 : 1,271.85 = 700.52 : x
  2. Step 2: Convert to fraction form
    922.07/1,271.85 = 700.52/x
  3. Step 3: Cross multiply
    922.07x = 1,271.85 × 700.52
  4. Step 4: Simplify right side
    922.07x = 890,956.36
  5. Step 5: Solve for x
    x = 890,956.36/922.07
  6. Step 6: Final answer
    x = 966.26

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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.