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Finding the Fourth Proportional to 3,700.76, 5,552.55 and 1,851.93

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Solution

The fourth proportional to 3,700.76, 5,552.55 and 1,851.93 is: 2,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.76 : 5,552.55 = 1,851.93 : x
  2. Step 2: Convert to fraction form
    3,700.76/5,552.55 = 1,851.93/x
  3. Step 3: Cross multiply
    3,700.76x = 5,552.55 × 1,851.93
  4. Step 4: Simplify right side
    3,700.76x = 10,282,933.92
  5. Step 5: Solve for x
    x = 10,282,933.92/3,700.76
  6. Step 6: Final answer
    x = 2,778.60

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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.