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Finding the Fourth Proportional to 8,885.84, 13,327.32 and 4,997.84

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Solution

The fourth proportional to 8,885.84, 13,327.32 and 4,997.84 is: 7,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.84 : 13,327.32 = 4,997.84 : x
  2. Step 2: Convert to fraction form
    8,885.84/13,327.32 = 4,997.84/x
  3. Step 3: Cross multiply
    8,885.84x = 13,327.32 × 4,997.84
  4. Step 4: Simplify right side
    8,885.84x = 66,607,812.99
  5. Step 5: Solve for x
    x = 66,607,812.99/8,885.84
  6. Step 6: Final answer
    x = 7,495.95

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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.