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Finding the Fourth Proportional to 7,662.98, 10,574.25 and 4,305.53

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Solution

The fourth proportional to 7,662.98, 10,574.25 and 4,305.53 is: 5,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.98 : 10,574.25 = 4,305.53 : x
  2. Step 2: Convert to fraction form
    7,662.98/10,574.25 = 4,305.53/x
  3. Step 3: Cross multiply
    7,662.98x = 10,574.25 × 4,305.53
  4. Step 4: Simplify right side
    7,662.98x = 45,527,750.60
  5. Step 5: Solve for x
    x = 45,527,750.60/7,662.98
  6. Step 6: Final answer
    x = 5,941.26

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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.