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Finding the Fourth Proportional to 1,762.20, 2,642.46 and 1,032

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Solution

The fourth proportional to 1,762.20, 2,642.46 and 1,032 is: 1,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.20 : 2,642.46 = 1,032 : x
  2. Step 2: Convert to fraction form
    1,762.20/2,642.46 = 1,032/x
  3. Step 3: Cross multiply
    1,762.20x = 2,642.46 × 1,032
  4. Step 4: Simplify right side
    1,762.20x = 2,727,018.72
  5. Step 5: Solve for x
    x = 2,727,018.72/1,762.20
  6. Step 6: Final answer
    x = 1,547.51

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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.