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Finding the Fourth Proportional to 4,357.48, 6,529.98 and 3,379

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Solution

The fourth proportional to 4,357.48, 6,529.98 and 3,379 is: 5,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.48 : 6,529.98 = 3,379 : x
  2. Step 2: Convert to fraction form
    4,357.48/6,529.98 = 3,379/x
  3. Step 3: Cross multiply
    4,357.48x = 6,529.98 × 3,379
  4. Step 4: Simplify right side
    4,357.48x = 22,064,802.42
  5. Step 5: Solve for x
    x = 22,064,802.42/4,357.48
  6. Step 6: Final answer
    x = 5,063.66

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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.