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Finding the Fourth Proportional to 15,776.55, 23,669.07 and 5,248.27

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Solution

The fourth proportional to 15,776.55, 23,669.07 and 5,248.27 is: 7,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.55 : 23,669.07 = 5,248.27 : x
  2. Step 2: Convert to fraction form
    15,776.55/23,669.07 = 5,248.27/x
  3. Step 3: Cross multiply
    15,776.55x = 23,669.07 × 5,248.27
  4. Step 4: Simplify right side
    15,776.55x = 124,221,670.01
  5. Step 5: Solve for x
    x = 124,221,670.01/15,776.55
  6. Step 6: Final answer
    x = 7,873.82

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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.