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Finding the Fourth Proportional to 1,762.36, 2,432.05 and 1,016.32

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Solution

The fourth proportional to 1,762.36, 2,432.05 and 1,016.32 is: 1,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.36 : 2,432.05 = 1,016.32 : x
  2. Step 2: Convert to fraction form
    1,762.36/2,432.05 = 1,016.32/x
  3. Step 3: Cross multiply
    1,762.36x = 2,432.05 × 1,016.32
  4. Step 4: Simplify right side
    1,762.36x = 2,471,726.35
  5. Step 5: Solve for x
    x = 2,471,726.35/1,762.36
  6. Step 6: Final answer
    x = 1,402.51

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Why These Related Problems?

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