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Finding the Fourth Proportional to 48,353.67, 66,709.71 and 35,637.21

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Solution

The fourth proportional to 48,353.67, 66,709.71 and 35,637.21 is: 49,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353.67 : 66,709.71 = 35,637.21 : x
  2. Step 2: Convert to fraction form
    48,353.67/66,709.71 = 35,637.21/x
  3. Step 3: Cross multiply
    48,353.67x = 66,709.71 × 35,637.21
  4. Step 4: Simplify right side
    48,353.67x = 2,377,347,944.31
  5. Step 5: Solve for x
    x = 2,377,347,944.31/48,353.67
  6. Step 6: Final answer
    x = 49,165.82

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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.