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Finding the Fourth Proportional to 64,903.83, 89,571.47 and 36,608.91

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Solution

The fourth proportional to 64,903.83, 89,571.47 and 36,608.91 is: 50,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.83 : 89,571.47 = 36,608.91 : x
  2. Step 2: Convert to fraction form
    64,903.83/89,571.47 = 36,608.91/x
  3. Step 3: Cross multiply
    64,903.83x = 89,571.47 × 36,608.91
  4. Step 4: Simplify right side
    64,903.83x = 3,279,113,700.75
  5. Step 5: Solve for x
    x = 3,279,113,700.75/64,903.83
  6. Step 6: Final answer
    x = 50,522.65

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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.