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Finding the Fourth Proportional to 2,368.54, 3,553.38 and 907.66

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Solution

The fourth proportional to 2,368.54, 3,553.38 and 907.66 is: 1,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.54 : 3,553.38 = 907.66 : x
  2. Step 2: Convert to fraction form
    2,368.54/3,553.38 = 907.66/x
  3. Step 3: Cross multiply
    2,368.54x = 3,553.38 × 907.66
  4. Step 4: Simplify right side
    2,368.54x = 3,225,260.89
  5. Step 5: Solve for x
    x = 3,225,260.89/2,368.54
  6. Step 6: Final answer
    x = 1,361.71

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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.