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Finding the Fourth Proportional to 8,906.99, 13,360.95 and 7,599.87

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Solution

The fourth proportional to 8,906.99, 13,360.95 and 7,599.87 is: 11,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.99 : 13,360.95 = 7,599.87 : x
  2. Step 2: Convert to fraction form
    8,906.99/13,360.95 = 7,599.87/x
  3. Step 3: Cross multiply
    8,906.99x = 13,360.95 × 7,599.87
  4. Step 4: Simplify right side
    8,906.99x = 101,541,483.08
  5. Step 5: Solve for x
    x = 101,541,483.08/8,906.99
  6. Step 6: Final answer
    x = 11,400.21

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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.