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Finding the Fourth Proportional to 49,806.60, 74,719.08 and 14,266.42

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Solution

The fourth proportional to 49,806.60, 74,719.08 and 14,266.42 is: 21,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,806.60 : 74,719.08 = 14,266.42 : x
  2. Step 2: Convert to fraction form
    49,806.60/74,719.08 = 14,266.42/x
  3. Step 3: Cross multiply
    49,806.60x = 74,719.08 × 14,266.42
  4. Step 4: Simplify right side
    49,806.60x = 1,065,973,777.29
  5. Step 5: Solve for x
    x = 1,065,973,777.29/49,806.60
  6. Step 6: Final answer
    x = 21,402.26

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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.