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Finding the Fourth Proportional to 5,648.36, 7,795.22 and 3,258.77

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Solution

The fourth proportional to 5,648.36, 7,795.22 and 3,258.77 is: 4,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.36 : 7,795.22 = 3,258.77 : x
  2. Step 2: Convert to fraction form
    5,648.36/7,795.22 = 3,258.77/x
  3. Step 3: Cross multiply
    5,648.36x = 7,795.22 × 3,258.77
  4. Step 4: Simplify right side
    5,648.36x = 25,402,773.81
  5. Step 5: Solve for x
    x = 25,402,773.81/5,648.36
  6. Step 6: Final answer
    x = 4,497.38

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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.