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Finding the Fourth Proportional to 2,263.65, 3,393.14 and 948.17

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Solution

The fourth proportional to 2,263.65, 3,393.14 and 948.17 is: 1,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.65 : 3,393.14 = 948.17 : x
  2. Step 2: Convert to fraction form
    2,263.65/3,393.14 = 948.17/x
  3. Step 3: Cross multiply
    2,263.65x = 3,393.14 × 948.17
  4. Step 4: Simplify right side
    2,263.65x = 3,217,273.55
  5. Step 5: Solve for x
    x = 3,217,273.55/2,263.65
  6. Step 6: Final answer
    x = 1,421.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.