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Finding the Fourth Proportional to 64,666.53, 89,226.41 and 37,803.83

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Solution

The fourth proportional to 64,666.53, 89,226.41 and 37,803.83 is: 52,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,666.53 : 89,226.41 = 37,803.83 : x
  2. Step 2: Convert to fraction form
    64,666.53/89,226.41 = 37,803.83/x
  3. Step 3: Cross multiply
    64,666.53x = 89,226.41 × 37,803.83
  4. Step 4: Simplify right side
    64,666.53x = 3,373,099,400.00
  5. Step 5: Solve for x
    x = 3,373,099,400.00/64,666.53
  6. Step 6: Final answer
    x = 52,161.44

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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.