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Finding the Fourth Proportional to 64,572.53, 96,864.35 and 17,825.40

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Solution

The fourth proportional to 64,572.53, 96,864.35 and 17,825.40 is: 26,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,572.53 : 96,864.35 = 17,825.40 : x
  2. Step 2: Convert to fraction form
    64,572.53/96,864.35 = 17,825.40/x
  3. Step 3: Cross multiply
    64,572.53x = 96,864.35 × 17,825.40
  4. Step 4: Simplify right side
    64,572.53x = 1,726,645,695.36
  5. Step 5: Solve for x
    x = 1,726,645,695.36/64,572.53
  6. Step 6: Final answer
    x = 26,739.63

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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.