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Finding the Fourth Proportional to 4,798.64, 6,629.16 and 3,800.72

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Solution

The fourth proportional to 4,798.64, 6,629.16 and 3,800.72 is: 5,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.64 : 6,629.16 = 3,800.72 : x
  2. Step 2: Convert to fraction form
    4,798.64/6,629.16 = 3,800.72/x
  3. Step 3: Cross multiply
    4,798.64x = 6,629.16 × 3,800.72
  4. Step 4: Simplify right side
    4,798.64x = 25,195,581.00
  5. Step 5: Solve for x
    x = 25,195,581.00/4,798.64
  6. Step 6: Final answer
    x = 5,250.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.