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Finding the Fourth Proportional to 4,670.40, 7,005.20 and 1,550.08

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Solution

The fourth proportional to 4,670.40, 7,005.20 and 1,550.08 is: 2,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.40 : 7,005.20 = 1,550.08 : x
  2. Step 2: Convert to fraction form
    4,670.40/7,005.20 = 1,550.08/x
  3. Step 3: Cross multiply
    4,670.40x = 7,005.20 × 1,550.08
  4. Step 4: Simplify right side
    4,670.40x = 10,858,620.42
  5. Step 5: Solve for x
    x = 10,858,620.42/4,670.40
  6. Step 6: Final answer
    x = 2,324.99

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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.