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Finding the Fourth Proportional to 8,626.95, 11,903.63 and 5,089.95

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Solution

The fourth proportional to 8,626.95, 11,903.63 and 5,089.95 is: 7,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.95 : 11,903.63 = 5,089.95 : x
  2. Step 2: Convert to fraction form
    8,626.95/11,903.63 = 5,089.95/x
  3. Step 3: Cross multiply
    8,626.95x = 11,903.63 × 5,089.95
  4. Step 4: Simplify right side
    8,626.95x = 60,588,856.07
  5. Step 5: Solve for x
    x = 60,588,856.07/8,626.95
  6. Step 6: Final answer
    x = 7,023.21

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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.