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Finding the Fourth Proportional to 2,432.55, 3,647.73 and 700.77

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Solution

The fourth proportional to 2,432.55, 3,647.73 and 700.77 is: 1,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.55 : 3,647.73 = 700.77 : x
  2. Step 2: Convert to fraction form
    2,432.55/3,647.73 = 700.77/x
  3. Step 3: Cross multiply
    2,432.55x = 3,647.73 × 700.77
  4. Step 4: Simplify right side
    2,432.55x = 2,556,219.75
  5. Step 5: Solve for x
    x = 2,556,219.75/2,432.55
  6. Step 6: Final answer
    x = 1,050.84

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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.