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Finding the Fourth Proportional to 47,353.61, 65,348.34 and 25,843.53

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Solution

The fourth proportional to 47,353.61, 65,348.34 and 25,843.53 is: 35,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,353.61 : 65,348.34 = 25,843.53 : x
  2. Step 2: Convert to fraction form
    47,353.61/65,348.34 = 25,843.53/x
  3. Step 3: Cross multiply
    47,353.61x = 65,348.34 × 25,843.53
  4. Step 4: Simplify right side
    47,353.61x = 1,688,831,967.65
  5. Step 5: Solve for x
    x = 1,688,831,967.65/47,353.61
  6. Step 6: Final answer
    x = 35,664.27

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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.