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Finding the Fourth Proportional to 2,895.36, 3,995.67 and 1,775.66

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Solution

The fourth proportional to 2,895.36, 3,995.67 and 1,775.66 is: 2,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.36 : 3,995.67 = 1,775.66 : x
  2. Step 2: Convert to fraction form
    2,895.36/3,995.67 = 1,775.66/x
  3. Step 3: Cross multiply
    2,895.36x = 3,995.67 × 1,775.66
  4. Step 4: Simplify right side
    2,895.36x = 7,094,931.41
  5. Step 5: Solve for x
    x = 7,094,931.41/2,895.36
  6. Step 6: Final answer
    x = 2,450.45

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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.