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Finding the Fourth Proportional to 62,704.32, 86,533.02 and 34,412.64

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Solution

The fourth proportional to 62,704.32, 86,533.02 and 34,412.64 is: 47,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,704.32 : 86,533.02 = 34,412.64 : x
  2. Step 2: Convert to fraction form
    62,704.32/86,533.02 = 34,412.64/x
  3. Step 3: Cross multiply
    62,704.32x = 86,533.02 × 34,412.64
  4. Step 4: Simplify right side
    62,704.32x = 2,977,829,665.37
  5. Step 5: Solve for x
    x = 2,977,829,665.37/62,704.32
  6. Step 6: Final answer
    x = 47,490.02

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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.