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Finding the Fourth Proportional to 2,483.55, 3,724.25 and 751.77

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Solution

The fourth proportional to 2,483.55, 3,724.25 and 751.77 is: 1,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.55 : 3,724.25 = 751.77 : x
  2. Step 2: Convert to fraction form
    2,483.55/3,724.25 = 751.77/x
  3. Step 3: Cross multiply
    2,483.55x = 3,724.25 × 751.77
  4. Step 4: Simplify right side
    2,483.55x = 2,799,775.66
  5. Step 5: Solve for x
    x = 2,799,775.66/2,483.55
  6. Step 6: Final answer
    x = 1,127.33

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1.5x scale

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.