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Finding the Fourth Proportional to 1,148.63, 1,585.07 and 651.24

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Solution

The fourth proportional to 1,148.63, 1,585.07 and 651.24 is: 898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.63 : 1,585.07 = 651.24 : x
  2. Step 2: Convert to fraction form
    1,148.63/1,585.07 = 651.24/x
  3. Step 3: Cross multiply
    1,148.63x = 1,585.07 × 651.24
  4. Step 4: Simplify right side
    1,148.63x = 1,032,257.73
  5. Step 5: Solve for x
    x = 1,032,257.73/1,148.63
  6. Step 6: Final answer
    x = 898.69

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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.