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Finding the Fourth Proportional to 2,758.44, 4,143.06 and 2,368.32

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Solution

The fourth proportional to 2,758.44, 4,143.06 and 2,368.32 is: 3,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.44 : 4,143.06 = 2,368.32 : x
  2. Step 2: Convert to fraction form
    2,758.44/4,143.06 = 2,368.32/x
  3. Step 3: Cross multiply
    2,758.44x = 4,143.06 × 2,368.32
  4. Step 4: Simplify right side
    2,758.44x = 9,812,091.86
  5. Step 5: Solve for x
    x = 9,812,091.86/2,758.44
  6. Step 6: Final answer
    x = 3,557.12

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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.