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Finding the Fourth Proportional to 5,799.85, 8,699.99 and 4,914.11

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Solution

The fourth proportional to 5,799.85, 8,699.99 and 4,914.11 is: 7,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.85 : 8,699.99 = 4,914.11 : x
  2. Step 2: Convert to fraction form
    5,799.85/8,699.99 = 4,914.11/x
  3. Step 3: Cross multiply
    5,799.85x = 8,699.99 × 4,914.11
  4. Step 4: Simplify right side
    5,799.85x = 42,752,705.04
  5. Step 5: Solve for x
    x = 42,752,705.04/5,799.85
  6. Step 6: Final answer
    x = 7,371.35

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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.