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Finding the Fourth Proportional to 64,490.68, 88,997.04 and 36,196.30

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Solution

The fourth proportional to 64,490.68, 88,997.04 and 36,196.30 is: 49,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,490.68 : 88,997.04 = 36,196.30 : x
  2. Step 2: Convert to fraction form
    64,490.68/88,997.04 = 36,196.30/x
  3. Step 3: Cross multiply
    64,490.68x = 88,997.04 × 36,196.30
  4. Step 4: Simplify right side
    64,490.68x = 3,221,363,558.95
  5. Step 5: Solve for x
    x = 3,221,363,558.95/64,490.68
  6. Step 6: Final answer
    x = 49,950.84

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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.