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Finding the Fourth Proportional to 64,399.76, 96,602.04 and 17,652.56

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Solution

The fourth proportional to 64,399.76, 96,602.04 and 17,652.56 is: 26,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.76 : 96,602.04 = 17,652.56 : x
  2. Step 2: Convert to fraction form
    64,399.76/96,602.04 = 17,652.56/x
  3. Step 3: Cross multiply
    64,399.76x = 96,602.04 × 17,652.56
  4. Step 4: Simplify right side
    64,399.76x = 1,705,273,307.22
  5. Step 5: Solve for x
    x = 1,705,273,307.22/64,399.76
  6. Step 6: Final answer
    x = 26,479.50

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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.