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Finding the Fourth Proportional to 5,318.55, 7,964.96 and 4,534.07

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Solution

The fourth proportional to 5,318.55, 7,964.96 and 4,534.07 is: 6,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.55 : 7,964.96 = 4,534.07 : x
  2. Step 2: Convert to fraction form
    5,318.55/7,964.96 = 4,534.07/x
  3. Step 3: Cross multiply
    5,318.55x = 7,964.96 × 4,534.07
  4. Step 4: Simplify right side
    5,318.55x = 36,113,623.69
  5. Step 5: Solve for x
    x = 36,113,623.69/5,318.55
  6. Step 6: Final answer
    x = 6,790.13

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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.