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Finding the Fourth Proportional to 5,799.93, 8,700.42 and 1,640.00

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Solution

The fourth proportional to 5,799.93, 8,700.42 and 1,640.00 is: 2,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.93 : 8,700.42 = 1,640.00 : x
  2. Step 2: Convert to fraction form
    5,799.93/8,700.42 = 1,640.00/x
  3. Step 3: Cross multiply
    5,799.93x = 8,700.42 × 1,640.00
  4. Step 4: Simplify right side
    5,799.93x = 14,268,645.30
  5. Step 5: Solve for x
    x = 14,268,645.30/5,799.93
  6. Step 6: Final answer
    x = 2,460.14

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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.