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Finding the Fourth Proportional to 4,768.04, 7,150.98 and 1,690.04

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Solution

The fourth proportional to 4,768.04, 7,150.98 and 1,690.04 is: 2,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.04 : 7,150.98 = 1,690.04 : x
  2. Step 2: Convert to fraction form
    4,768.04/7,150.98 = 1,690.04/x
  3. Step 3: Cross multiply
    4,768.04x = 7,150.98 × 1,690.04
  4. Step 4: Simplify right side
    4,768.04x = 12,085,442.24
  5. Step 5: Solve for x
    x = 12,085,442.24/4,768.04
  6. Step 6: Final answer
    x = 2,534.68

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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.