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Finding the Fourth Proportional to 1,060.84, 1,464.54 and 707.24

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Solution

The fourth proportional to 1,060.84, 1,464.54 and 707.24 is: 976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.84 : 1,464.54 = 707.24 : x
  2. Step 2: Convert to fraction form
    1,060.84/1,464.54 = 707.24/x
  3. Step 3: Cross multiply
    1,060.84x = 1,464.54 × 707.24
  4. Step 4: Simplify right side
    1,060.84x = 1,035,770.41
  5. Step 5: Solve for x
    x = 1,035,770.41/1,060.84
  6. Step 6: Final answer
    x = 976.37

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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.