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Finding the Fourth Proportional to 64,580.60, 96,859.56 and 17,823.08

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Solution

The fourth proportional to 64,580.60, 96,859.56 and 17,823.08 is: 26,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.60 : 96,859.56 = 17,823.08 : x
  2. Step 2: Convert to fraction form
    64,580.60/96,859.56 = 17,823.08/x
  3. Step 3: Cross multiply
    64,580.60x = 96,859.56 × 17,823.08
  4. Step 4: Simplify right side
    64,580.60x = 1,726,335,686.64
  5. Step 5: Solve for x
    x = 1,726,335,686.64/64,580.60
  6. Step 6: Final answer
    x = 26,731.49

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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.