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Finding the Fourth Proportional to 14,900.72, 22,355.94 and 7,108.52

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Solution

The fourth proportional to 14,900.72, 22,355.94 and 7,108.52 is: 10,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.72 : 22,355.94 = 7,108.52 : x
  2. Step 2: Convert to fraction form
    14,900.72/22,355.94 = 7,108.52/x
  3. Step 3: Cross multiply
    14,900.72x = 22,355.94 × 7,108.52
  4. Step 4: Simplify right side
    14,900.72x = 158,917,646.61
  5. Step 5: Solve for x
    x = 158,917,646.61/14,900.72
  6. Step 6: Final answer
    x = 10,665.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.