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Finding the Fourth Proportional to 4,991.14, 6,895.29 and 4,252.69

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Solution

The fourth proportional to 4,991.14, 6,895.29 and 4,252.69 is: 5,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.14 : 6,895.29 = 4,252.69 : x
  2. Step 2: Convert to fraction form
    4,991.14/6,895.29 = 4,252.69/x
  3. Step 3: Cross multiply
    4,991.14x = 6,895.29 × 4,252.69
  4. Step 4: Simplify right side
    4,991.14x = 29,323,530.83
  5. Step 5: Solve for x
    x = 29,323,530.83/4,991.14
  6. Step 6: Final answer
    x = 5,875.12

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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.