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Finding the Fourth Proportional to 8,527.95, 12,773.70 and 7,069.95

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Solution

The fourth proportional to 8,527.95, 12,773.70 and 7,069.95 is: 10,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.95 : 12,773.70 = 7,069.95 : x
  2. Step 2: Convert to fraction form
    8,527.95/12,773.70 = 7,069.95/x
  3. Step 3: Cross multiply
    8,527.95x = 12,773.70 × 7,069.95
  4. Step 4: Simplify right side
    8,527.95x = 90,309,420.32
  5. Step 5: Solve for x
    x = 90,309,420.32/8,527.95
  6. Step 6: Final answer
    x = 10,589.82

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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.