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Finding the Fourth Proportional to 954.93, 1,429.15 and 801.03

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Solution

The fourth proportional to 954.93, 1,429.15 and 801.03 is: 1,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.93 : 1,429.15 = 801.03 : x
  2. Step 2: Convert to fraction form
    954.93/1,429.15 = 801.03/x
  3. Step 3: Cross multiply
    954.93x = 1,429.15 × 801.03
  4. Step 4: Simplify right side
    954.93x = 1,144,792.02
  5. Step 5: Solve for x
    x = 1,144,792.02/954.93
  6. Step 6: Final answer
    x = 1,198.82

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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.