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Finding the Fourth Proportional to 8,388.95, 12,593.15 and 4,500.95

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Solution

The fourth proportional to 8,388.95, 12,593.15 and 4,500.95 is: 6,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.95 : 12,593.15 = 4,500.95 : x
  2. Step 2: Convert to fraction form
    8,388.95/12,593.15 = 4,500.95/x
  3. Step 3: Cross multiply
    8,388.95x = 12,593.15 × 4,500.95
  4. Step 4: Simplify right side
    8,388.95x = 56,681,164.35
  5. Step 5: Solve for x
    x = 56,681,164.35/8,388.95
  6. Step 6: Final answer
    x = 6,756.64

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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.