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Finding the Fourth Proportional to 64,264.59, 88,685.11 and 35,970.28

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Solution

The fourth proportional to 64,264.59, 88,685.11 and 35,970.28 is: 49,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,264.59 : 88,685.11 = 35,970.28 : x
  2. Step 2: Convert to fraction form
    64,264.59/88,685.11 = 35,970.28/x
  3. Step 3: Cross multiply
    64,264.59x = 88,685.11 × 35,970.28
  4. Step 4: Simplify right side
    64,264.59x = 3,190,028,238.53
  5. Step 5: Solve for x
    x = 3,190,028,238.53/64,264.59
  6. Step 6: Final answer
    x = 49,638.97

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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.