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Finding the Fourth Proportional to 5,877.99, 8,785.17 and 5,410.98

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Solution

The fourth proportional to 5,877.99, 8,785.17 and 5,410.98 is: 8,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.99 : 8,785.17 = 5,410.98 : x
  2. Step 2: Convert to fraction form
    5,877.99/8,785.17 = 5,410.98/x
  3. Step 3: Cross multiply
    5,877.99x = 8,785.17 × 5,410.98
  4. Step 4: Simplify right side
    5,877.99x = 47,536,379.17
  5. Step 5: Solve for x
    x = 47,536,379.17/5,877.99
  6. Step 6: Final answer
    x = 8,087.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.