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Finding the Fourth Proportional to 7,885.95, 10,883.39 and 5,893.05

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Solution

The fourth proportional to 7,885.95, 10,883.39 and 5,893.05 is: 8,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.95 : 10,883.39 = 5,893.05 : x
  2. Step 2: Convert to fraction form
    7,885.95/10,883.39 = 5,893.05/x
  3. Step 3: Cross multiply
    7,885.95x = 10,883.39 × 5,893.05
  4. Step 4: Simplify right side
    7,885.95x = 64,136,331.97
  5. Step 5: Solve for x
    x = 64,136,331.97/7,885.95
  6. Step 6: Final answer
    x = 8,132.99

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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.