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Finding the Fourth Proportional to 64,599.90, 96,905.46 and 17,852.82

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Solution

The fourth proportional to 64,599.90, 96,905.46 and 17,852.82 is: 26,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,599.90 : 96,905.46 = 17,852.82 : x
  2. Step 2: Convert to fraction form
    64,599.90/96,905.46 = 17,852.82/x
  3. Step 3: Cross multiply
    64,599.90x = 96,905.46 × 17,852.82
  4. Step 4: Simplify right side
    64,599.90x = 1,730,035,734.40
  5. Step 5: Solve for x
    x = 1,730,035,734.40/64,599.90
  6. Step 6: Final answer
    x = 26,780.78

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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.