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Finding the Fourth Proportional to 1,164, 1,606.56 and 750.24

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Solution

The fourth proportional to 1,164, 1,606.56 and 750.24 is: 1,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164 : 1,606.56 = 750.24 : x
  2. Step 2: Convert to fraction form
    1,164/1,606.56 = 750.24/x
  3. Step 3: Cross multiply
    1,164x = 1,606.56 × 750.24
  4. Step 4: Simplify right side
    1,164x = 1,205,305.57
  5. Step 5: Solve for x
    x = 1,205,305.57/1,164
  6. Step 6: Final answer
    x = 1,035.49

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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.