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Finding the Fourth Proportional to 59,343, 81,856.44 and 36,688.92

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Solution

The fourth proportional to 59,343, 81,856.44 and 36,688.92 is: 50,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,343 : 81,856.44 = 36,688.92 : x
  2. Step 2: Convert to fraction form
    59,343/81,856.44 = 36,688.92/x
  3. Step 3: Cross multiply
    59,343x = 81,856.44 × 36,688.92
  4. Step 4: Simplify right side
    59,343x = 3,003,224,378.64
  5. Step 5: Solve for x
    x = 3,003,224,378.64/59,343
  6. Step 6: Final answer
    x = 50,607.90

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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.