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Finding the Fourth Proportional to 32,898.79, 49,367.00 and 13,921.93

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Solution

The fourth proportional to 32,898.79, 49,367.00 and 13,921.93 is: 20,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.79 : 49,367.00 = 13,921.93 : x
  2. Step 2: Convert to fraction form
    32,898.79/49,367.00 = 13,921.93/x
  3. Step 3: Cross multiply
    32,898.79x = 49,367.00 × 13,921.93
  4. Step 4: Simplify right side
    32,898.79x = 687,283,848.70
  5. Step 5: Solve for x
    x = 687,283,848.70/32,898.79
  6. Step 6: Final answer
    x = 20,890.85

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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.