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Finding the Fourth Proportional to 1,046.64, 1,571.04 and 1,036.08

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Solution

The fourth proportional to 1,046.64, 1,571.04 and 1,036.08 is: 1,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.64 : 1,571.04 = 1,036.08 : x
  2. Step 2: Convert to fraction form
    1,046.64/1,571.04 = 1,036.08/x
  3. Step 3: Cross multiply
    1,046.64x = 1,571.04 × 1,036.08
  4. Step 4: Simplify right side
    1,046.64x = 1,627,723.12
  5. Step 5: Solve for x
    x = 1,627,723.12/1,046.64
  6. Step 6: Final answer
    x = 1,555.19

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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.