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Finding the Fourth Proportional to 64,353.46, 88,709.33 and 45,179.44

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Solution

The fourth proportional to 64,353.46, 88,709.33 and 45,179.44 is: 62,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353.46 : 88,709.33 = 45,179.44 : x
  2. Step 2: Convert to fraction form
    64,353.46/88,709.33 = 45,179.44/x
  3. Step 3: Cross multiply
    64,353.46x = 88,709.33 × 45,179.44
  4. Step 4: Simplify right side
    64,353.46x = 4,007,838,017.47
  5. Step 5: Solve for x
    x = 4,007,838,017.47/64,353.46
  6. Step 6: Final answer
    x = 62,278.52

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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.