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Finding the Fourth Proportional to 4,879.36, 7,349.76 and 4,443.38

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Solution

The fourth proportional to 4,879.36, 7,349.76 and 4,443.38 is: 6,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.36 : 7,349.76 = 4,443.38 : x
  2. Step 2: Convert to fraction form
    4,879.36/7,349.76 = 4,443.38/x
  3. Step 3: Cross multiply
    4,879.36x = 7,349.76 × 4,443.38
  4. Step 4: Simplify right side
    4,879.36x = 32,657,776.59
  5. Step 5: Solve for x
    x = 32,657,776.59/4,879.36
  6. Step 6: Final answer
    x = 6,693.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.