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Finding the Fourth Proportional to 5,752.55, 8,622.83 and 3,903.81

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Solution

The fourth proportional to 5,752.55, 8,622.83 and 3,903.81 is: 5,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.55 : 8,622.83 = 3,903.81 : x
  2. Step 2: Convert to fraction form
    5,752.55/8,622.83 = 3,903.81/x
  3. Step 3: Cross multiply
    5,752.55x = 8,622.83 × 3,903.81
  4. Step 4: Simplify right side
    5,752.55x = 33,661,899.74
  5. Step 5: Solve for x
    x = 33,661,899.74/5,752.55
  6. Step 6: Final answer
    x = 5,851.65

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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.