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Finding the Fourth Proportional to 2,632.06, 3,948.10 and 1,655.74

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Solution

The fourth proportional to 2,632.06, 3,948.10 and 1,655.74 is: 2,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.06 : 3,948.10 = 1,655.74 : x
  2. Step 2: Convert to fraction form
    2,632.06/3,948.10 = 1,655.74/x
  3. Step 3: Cross multiply
    2,632.06x = 3,948.10 × 1,655.74
  4. Step 4: Simplify right side
    2,632.06x = 6,537,027.09
  5. Step 5: Solve for x
    x = 6,537,027.09/2,632.06
  6. Step 6: Final answer
    x = 2,483.62

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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.