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Finding the Fourth Proportional to 6,570.87, 9,843.35 and 4,929.27

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Solution

The fourth proportional to 6,570.87, 9,843.35 and 4,929.27 is: 7,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.87 : 9,843.35 = 4,929.27 : x
  2. Step 2: Convert to fraction form
    6,570.87/9,843.35 = 4,929.27/x
  3. Step 3: Cross multiply
    6,570.87x = 9,843.35 × 4,929.27
  4. Step 4: Simplify right side
    6,570.87x = 48,520,505.21
  5. Step 5: Solve for x
    x = 48,520,505.21/6,570.87
  6. Step 6: Final answer
    x = 7,384.18

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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.