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Finding the Fourth Proportional to 52,343.53, 78,485.46 and 35,723.68

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Solution

The fourth proportional to 52,343.53, 78,485.46 and 35,723.68 is: 53,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,343.53 : 78,485.46 = 35,723.68 : x
  2. Step 2: Convert to fraction form
    52,343.53/78,485.46 = 35,723.68/x
  3. Step 3: Cross multiply
    52,343.53x = 78,485.46 × 35,723.68
  4. Step 4: Simplify right side
    52,343.53x = 2,803,789,127.52
  5. Step 5: Solve for x
    x = 2,803,789,127.52/52,343.53
  6. Step 6: Final answer
    x = 53,565.15

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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.