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Finding the Fourth Proportional to 55,999.30, 83,998.95 and 14,446.30

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Solution

The fourth proportional to 55,999.30, 83,998.95 and 14,446.30 is: 21,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.30 : 83,998.95 = 14,446.30 : x
  2. Step 2: Convert to fraction form
    55,999.30/83,998.95 = 14,446.30/x
  3. Step 3: Cross multiply
    55,999.30x = 83,998.95 × 14,446.30
  4. Step 4: Simplify right side
    55,999.30x = 1,213,474,031.39
  5. Step 5: Solve for x
    x = 1,213,474,031.39/55,999.30
  6. Step 6: Final answer
    x = 21,669.45

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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.