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Finding the Fourth Proportional to 5,262.65, 7,895.21 and 1,564.91

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Solution

The fourth proportional to 5,262.65, 7,895.21 and 1,564.91 is: 2,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.65 : 7,895.21 = 1,564.91 : x
  2. Step 2: Convert to fraction form
    5,262.65/7,895.21 = 1,564.91/x
  3. Step 3: Cross multiply
    5,262.65x = 7,895.21 × 1,564.91
  4. Step 4: Simplify right side
    5,262.65x = 12,355,293.08
  5. Step 5: Solve for x
    x = 12,355,293.08/5,262.65
  6. Step 6: Final answer
    x = 2,347.73

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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.