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Finding the Fourth Proportional to 975.85, 1,462.40 and 701.33

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Solution

The fourth proportional to 975.85, 1,462.40 and 701.33 is: 1,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.85 : 1,462.40 = 701.33 : x
  2. Step 2: Convert to fraction form
    975.85/1,462.40 = 701.33/x
  3. Step 3: Cross multiply
    975.85x = 1,462.40 × 701.33
  4. Step 4: Simplify right side
    975.85x = 1,025,633.09
  5. Step 5: Solve for x
    x = 1,025,633.09/975.85
  6. Step 6: Final answer
    x = 1,051.02

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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.