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Finding the Fourth Proportional to 53,370.99, 80,069.63 and 37,606.81

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Solution

The fourth proportional to 53,370.99, 80,069.63 and 37,606.81 is: 56,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.99 : 80,069.63 = 37,606.81 : x
  2. Step 2: Convert to fraction form
    53,370.99/80,069.63 = 37,606.81/x
  3. Step 3: Cross multiply
    53,370.99x = 80,069.63 × 37,606.81
  4. Step 4: Simplify right side
    53,370.99x = 3,011,162,973.97
  5. Step 5: Solve for x
    x = 3,011,162,973.97/53,370.99
  6. Step 6: Final answer
    x = 56,419.47

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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.