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Finding the Fourth Proportional to 4,859.32, 6,699.42 and 3,513.76

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Solution

The fourth proportional to 4,859.32, 6,699.42 and 3,513.76 is: 4,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.32 : 6,699.42 = 3,513.76 : x
  2. Step 2: Convert to fraction form
    4,859.32/6,699.42 = 3,513.76/x
  3. Step 3: Cross multiply
    4,859.32x = 6,699.42 × 3,513.76
  4. Step 4: Simplify right side
    4,859.32x = 23,540,154.02
  5. Step 5: Solve for x
    x = 23,540,154.02/4,859.32
  6. Step 6: Final answer
    x = 4,844.33

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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.