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Finding the Fourth Proportional to 64,365.84, 88,793.26 and 55,856.00

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Solution

The fourth proportional to 64,365.84, 88,793.26 and 55,856.00 is: 77,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,365.84 : 88,793.26 = 55,856.00 : x
  2. Step 2: Convert to fraction form
    64,365.84/88,793.26 = 55,856.00/x
  3. Step 3: Cross multiply
    64,365.84x = 88,793.26 × 55,856.00
  4. Step 4: Simplify right side
    64,365.84x = 4,959,636,412.90
  5. Step 5: Solve for x
    x = 4,959,636,412.90/64,365.84
  6. Step 6: Final answer
    x = 77,053.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.