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Finding the Fourth Proportional to 2,368.80, 3,551.04 and 907.56

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Solution

The fourth proportional to 2,368.80, 3,551.04 and 907.56 is: 1,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.80 : 3,551.04 = 907.56 : x
  2. Step 2: Convert to fraction form
    2,368.80/3,551.04 = 907.56/x
  3. Step 3: Cross multiply
    2,368.80x = 3,551.04 × 907.56
  4. Step 4: Simplify right side
    2,368.80x = 3,222,781.86
  5. Step 5: Solve for x
    x = 3,222,781.86/2,368.80
  6. Step 6: Final answer
    x = 1,360.51

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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.