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Finding the Fourth Proportional to 6,658.50, 9,987.93 and 2,041.50

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Solution

The fourth proportional to 6,658.50, 9,987.93 and 2,041.50 is: 3,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.50 : 9,987.93 = 2,041.50 : x
  2. Step 2: Convert to fraction form
    6,658.50/9,987.93 = 2,041.50/x
  3. Step 3: Cross multiply
    6,658.50x = 9,987.93 × 2,041.50
  4. Step 4: Simplify right side
    6,658.50x = 20,390,359.10
  5. Step 5: Solve for x
    x = 20,390,359.10/6,658.50
  6. Step 6: Final answer
    x = 3,062.31

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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.