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Finding the Fourth Proportional to 1,036.04, 1,429.62 and 704.89

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Solution

The fourth proportional to 1,036.04, 1,429.62 and 704.89 is: 972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.04 : 1,429.62 = 704.89 : x
  2. Step 2: Convert to fraction form
    1,036.04/1,429.62 = 704.89/x
  3. Step 3: Cross multiply
    1,036.04x = 1,429.62 × 704.89
  4. Step 4: Simplify right side
    1,036.04x = 1,007,717.69
  5. Step 5: Solve for x
    x = 1,007,717.69/1,036.04
  6. Step 6: Final answer
    x = 972.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.