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Finding the Fourth Proportional to 7,769.04, 10,720.98 and 4,232.04

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Solution

The fourth proportional to 7,769.04, 10,720.98 and 4,232.04 is: 5,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.04 : 10,720.98 = 4,232.04 : x
  2. Step 2: Convert to fraction form
    7,769.04/10,720.98 = 4,232.04/x
  3. Step 3: Cross multiply
    7,769.04x = 10,720.98 × 4,232.04
  4. Step 4: Simplify right side
    7,769.04x = 45,371,616.20
  5. Step 5: Solve for x
    x = 45,371,616.20/7,769.04
  6. Step 6: Final answer
    x = 5,840.05

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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.