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Finding the Fourth Proportional to 64,460.28, 88,963.32 and 36,165.78

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Solution

The fourth proportional to 64,460.28, 88,963.32 and 36,165.78 is: 49,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,460.28 : 88,963.32 = 36,165.78 : x
  2. Step 2: Convert to fraction form
    64,460.28/88,963.32 = 36,165.78/x
  3. Step 3: Cross multiply
    64,460.28x = 88,963.32 × 36,165.78
  4. Step 4: Simplify right side
    64,460.28x = 3,217,427,859.19
  5. Step 5: Solve for x
    x = 3,217,427,859.19/64,460.28
  6. Step 6: Final answer
    x = 49,913.34

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1.5x scale

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.