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Finding the Fourth Proportional to 4,269.63, 6,400.54 and 1,494.79

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Solution

The fourth proportional to 4,269.63, 6,400.54 and 1,494.79 is: 2,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.63 : 6,400.54 = 1,494.79 : x
  2. Step 2: Convert to fraction form
    4,269.63/6,400.54 = 1,494.79/x
  3. Step 3: Cross multiply
    4,269.63x = 6,400.54 × 1,494.79
  4. Step 4: Simplify right side
    4,269.63x = 9,567,482.92
  5. Step 5: Solve for x
    x = 9,567,482.92/4,269.63
  6. Step 6: Final answer
    x = 2,240.82

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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.