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Finding the Fourth Proportional to 22,686.68, 34,030.06 and 8,835.68

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Solution

The fourth proportional to 22,686.68, 34,030.06 and 8,835.68 is: 13,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.68 : 34,030.06 = 8,835.68 : x
  2. Step 2: Convert to fraction form
    22,686.68/34,030.06 = 8,835.68/x
  3. Step 3: Cross multiply
    22,686.68x = 34,030.06 × 8,835.68
  4. Step 4: Simplify right side
    22,686.68x = 300,678,783.53
  5. Step 5: Solve for x
    x = 300,678,783.53/22,686.68
  6. Step 6: Final answer
    x = 13,253.54

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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.