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Finding the Fourth Proportional to 64,889.52, 97,335.09 and 25,465.20

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Solution

The fourth proportional to 64,889.52, 97,335.09 and 25,465.20 is: 38,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.52 : 97,335.09 = 25,465.20 : x
  2. Step 2: Convert to fraction form
    64,889.52/97,335.09 = 25,465.20/x
  3. Step 3: Cross multiply
    64,889.52x = 97,335.09 × 25,465.20
  4. Step 4: Simplify right side
    64,889.52x = 2,478,657,533.87
  5. Step 5: Solve for x
    x = 2,478,657,533.87/64,889.52
  6. Step 6: Final answer
    x = 38,198.12

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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.