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Finding the Fourth Proportional to 5,305.95, 7,958.93 and 5,305.95

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Solution

The fourth proportional to 5,305.95, 7,958.93 and 5,305.95 is: 7,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.95 : 7,958.93 = 5,305.95 : x
  2. Step 2: Convert to fraction form
    5,305.95/7,958.93 = 5,305.95/x
  3. Step 3: Cross multiply
    5,305.95x = 7,958.93 × 5,305.95
  4. Step 4: Simplify right side
    5,305.95x = 42,229,658.10
  5. Step 5: Solve for x
    x = 42,229,658.10/5,305.95
  6. Step 6: Final answer
    x = 7,958.93

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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.