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Finding the Fourth Proportional to 53,299.91, 79,991.65 and 37,184.64

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Solution

The fourth proportional to 53,299.91, 79,991.65 and 37,184.64 is: 55,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.91 : 79,991.65 = 37,184.64 : x
  2. Step 2: Convert to fraction form
    53,299.91/79,991.65 = 37,184.64/x
  3. Step 3: Cross multiply
    53,299.91x = 79,991.65 × 37,184.64
  4. Step 4: Simplify right side
    53,299.91x = 2,974,460,454.77
  5. Step 5: Solve for x
    x = 2,974,460,454.77/53,299.91
  6. Step 6: Final answer
    x = 55,806.11

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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.