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Finding the Fourth Proportional to 14,720.96, 22,071 and 6,925.52

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Solution

The fourth proportional to 14,720.96, 22,071 and 6,925.52 is: 10,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.96 : 22,071 = 6,925.52 : x
  2. Step 2: Convert to fraction form
    14,720.96/22,071 = 6,925.52/x
  3. Step 3: Cross multiply
    14,720.96x = 22,071 × 6,925.52
  4. Step 4: Simplify right side
    14,720.96x = 152,853,151.92
  5. Step 5: Solve for x
    x = 152,853,151.92/14,720.96
  6. Step 6: Final answer
    x = 10,383.37

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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.