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Finding the Fourth Proportional to 64,549.50, 96,824.25 and 20,773.50

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Solution

The fourth proportional to 64,549.50, 96,824.25 and 20,773.50 is: 31,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,549.50 : 96,824.25 = 20,773.50 : x
  2. Step 2: Convert to fraction form
    64,549.50/96,824.25 = 20,773.50/x
  3. Step 3: Cross multiply
    64,549.50x = 96,824.25 × 20,773.50
  4. Step 4: Simplify right side
    64,549.50x = 2,011,378,557.38
  5. Step 5: Solve for x
    x = 2,011,378,557.38/64,549.50
  6. Step 6: Final answer
    x = 31,160.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.