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Finding the Fourth Proportional to 50,663.95, 75,995.96 and 13,223.93

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Solution

The fourth proportional to 50,663.95, 75,995.96 and 13,223.93 is: 19,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,663.95 : 75,995.96 = 13,223.93 : x
  2. Step 2: Convert to fraction form
    50,663.95/75,995.96 = 13,223.93/x
  3. Step 3: Cross multiply
    50,663.95x = 75,995.96 × 13,223.93
  4. Step 4: Simplify right side
    50,663.95x = 1,004,964,809.22
  5. Step 5: Solve for x
    x = 1,004,964,809.22/50,663.95
  6. Step 6: Final answer
    x = 19,835.90

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Similar ratio
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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.