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Finding the Fourth Proportional to 2,895.69, 3,995.96 and 1,716.06

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Solution

The fourth proportional to 2,895.69, 3,995.96 and 1,716.06 is: 2,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.69 : 3,995.96 = 1,716.06 : x
  2. Step 2: Convert to fraction form
    2,895.69/3,995.96 = 1,716.06/x
  3. Step 3: Cross multiply
    2,895.69x = 3,995.96 × 1,716.06
  4. Step 4: Simplify right side
    2,895.69x = 6,857,298.54
  5. Step 5: Solve for x
    x = 6,857,298.54/2,895.69
  6. Step 6: Final answer
    x = 2,368.11

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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.