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Finding the Fourth Proportional to 3,563.63, 4,919.54 and 2,503.65

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Solution

The fourth proportional to 3,563.63, 4,919.54 and 2,503.65 is: 3,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.63 : 4,919.54 = 2,503.65 : x
  2. Step 2: Convert to fraction form
    3,563.63/4,919.54 = 2,503.65/x
  3. Step 3: Cross multiply
    3,563.63x = 4,919.54 × 2,503.65
  4. Step 4: Simplify right side
    3,563.63x = 12,316,806.32
  5. Step 5: Solve for x
    x = 12,316,806.32/3,563.63
  6. Step 6: Final answer
    x = 3,456.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.