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Finding the Fourth Proportional to 1,154.48, 1,593.06 and 656.94

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Solution

The fourth proportional to 1,154.48, 1,593.06 and 656.94 is: 906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.48 : 1,593.06 = 656.94 : x
  2. Step 2: Convert to fraction form
    1,154.48/1,593.06 = 656.94/x
  3. Step 3: Cross multiply
    1,154.48x = 1,593.06 × 656.94
  4. Step 4: Simplify right side
    1,154.48x = 1,046,544.84
  5. Step 5: Solve for x
    x = 1,046,544.84/1,154.48
  6. Step 6: Final answer
    x = 906.51

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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.