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Finding the Fourth Proportional to 53,600.99, 73,982.79 and 36,402.45

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Solution

The fourth proportional to 53,600.99, 73,982.79 and 36,402.45 is: 50,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.99 : 73,982.79 = 36,402.45 : x
  2. Step 2: Convert to fraction form
    53,600.99/73,982.79 = 36,402.45/x
  3. Step 3: Cross multiply
    53,600.99x = 73,982.79 × 36,402.45
  4. Step 4: Simplify right side
    53,600.99x = 2,693,154,813.84
  5. Step 5: Solve for x
    x = 2,693,154,813.84/53,600.99
  6. Step 6: Final answer
    x = 50,244.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.