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Finding the Fourth Proportional to 3,740.81, 5,612.22 and 3,053.93

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Solution

The fourth proportional to 3,740.81, 5,612.22 and 3,053.93 is: 4,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.81 : 5,612.22 = 3,053.93 : x
  2. Step 2: Convert to fraction form
    3,740.81/5,612.22 = 3,053.93/x
  3. Step 3: Cross multiply
    3,740.81x = 5,612.22 × 3,053.93
  4. Step 4: Simplify right side
    3,740.81x = 17,139,298.96
  5. Step 5: Solve for x
    x = 17,139,298.96/3,740.81
  6. Step 6: Final answer
    x = 4,581.71

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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.