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Finding the Fourth Proportional to 52,360.44, 78,510.89 and 35,740.59

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Solution

The fourth proportional to 52,360.44, 78,510.89 and 35,740.59 is: 53,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,360.44 : 78,510.89 = 35,740.59 : x
  2. Step 2: Convert to fraction form
    52,360.44/78,510.89 = 35,740.59/x
  3. Step 3: Cross multiply
    52,360.44x = 78,510.89 × 35,740.59
  4. Step 4: Simplify right side
    52,360.44x = 2,806,025,530.03
  5. Step 5: Solve for x
    x = 2,806,025,530.03/52,360.44
  6. Step 6: Final answer
    x = 53,590.56

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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.