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Finding the Fourth Proportional to 64,711.06, 89,276.94 and 37,844.98

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Solution

The fourth proportional to 64,711.06, 89,276.94 and 37,844.98 is: 52,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.06 : 89,276.94 = 37,844.98 : x
  2. Step 2: Convert to fraction form
    64,711.06/89,276.94 = 37,844.98/x
  3. Step 3: Cross multiply
    64,711.06x = 89,276.94 × 37,844.98
  4. Step 4: Simplify right side
    64,711.06x = 3,378,684,008.76
  5. Step 5: Solve for x
    x = 3,378,684,008.76/64,711.06
  6. Step 6: Final answer
    x = 52,211.85

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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.