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Finding the Fourth Proportional to 52,606.63, 78,947.66 and 35,697.47

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Solution

The fourth proportional to 52,606.63, 78,947.66 and 35,697.47 is: 53,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,606.63 : 78,947.66 = 35,697.47 : x
  2. Step 2: Convert to fraction form
    52,606.63/78,947.66 = 35,697.47/x
  3. Step 3: Cross multiply
    52,606.63x = 78,947.66 × 35,697.47
  4. Step 4: Simplify right side
    52,606.63x = 2,818,231,724.42
  5. Step 5: Solve for x
    x = 2,818,231,724.42/52,606.63
  6. Step 6: Final answer
    x = 53,571.80

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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.