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Finding the Fourth Proportional to 968.01, 1,335.89 and 525.94

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Solution

The fourth proportional to 968.01, 1,335.89 and 525.94 is: 725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.01 : 1,335.89 = 525.94 : x
  2. Step 2: Convert to fraction form
    968.01/1,335.89 = 525.94/x
  3. Step 3: Cross multiply
    968.01x = 1,335.89 × 525.94
  4. Step 4: Simplify right side
    968.01x = 702,597.99
  5. Step 5: Solve for x
    x = 702,597.99/968.01
  6. Step 6: Final answer
    x = 725.82

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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.