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Finding the Fourth Proportional to 64,113.28, 88,475.88 and 35,818.96

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Solution

The fourth proportional to 64,113.28, 88,475.88 and 35,818.96 is: 49,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,113.28 : 88,475.88 = 35,818.96 : x
  2. Step 2: Convert to fraction form
    64,113.28/88,475.88 = 35,818.96/x
  3. Step 3: Cross multiply
    64,113.28x = 88,475.88 × 35,818.96
  4. Step 4: Simplify right side
    64,113.28x = 3,169,114,006.68
  5. Step 5: Solve for x
    x = 3,169,114,006.68/64,113.28
  6. Step 6: Final answer
    x = 49,429.92

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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.