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Finding the Fourth Proportional to 1,932.48, 2,899.44 and 1,007.48

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Solution

The fourth proportional to 1,932.48, 2,899.44 and 1,007.48 is: 1,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.48 : 2,899.44 = 1,007.48 : x
  2. Step 2: Convert to fraction form
    1,932.48/2,899.44 = 1,007.48/x
  3. Step 3: Cross multiply
    1,932.48x = 2,899.44 × 1,007.48
  4. Step 4: Simplify right side
    1,932.48x = 2,921,127.81
  5. Step 5: Solve for x
    x = 2,921,127.81/1,932.48
  6. Step 6: Final answer
    x = 1,511.60

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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.