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Finding the Fourth Proportional to 4,329.86, 5,975.10 and 2,561.49

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Solution

The fourth proportional to 4,329.86, 5,975.10 and 2,561.49 is: 3,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.86 : 5,975.10 = 2,561.49 : x
  2. Step 2: Convert to fraction form
    4,329.86/5,975.10 = 2,561.49/x
  3. Step 3: Cross multiply
    4,329.86x = 5,975.10 × 2,561.49
  4. Step 4: Simplify right side
    4,329.86x = 15,305,158.90
  5. Step 5: Solve for x
    x = 15,305,158.90/4,329.86
  6. Step 6: Final answer
    x = 3,534.80

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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.