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Finding the Fourth Proportional to 55,999.22, 83,989.11 and 19,063.22

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Solution

The fourth proportional to 55,999.22, 83,989.11 and 19,063.22 is: 28,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.22 : 83,989.11 = 19,063.22 : x
  2. Step 2: Convert to fraction form
    55,999.22/83,989.11 = 19,063.22/x
  3. Step 3: Cross multiply
    55,999.22x = 83,989.11 × 19,063.22
  4. Step 4: Simplify right side
    55,999.22x = 1,601,102,881.53
  5. Step 5: Solve for x
    x = 1,601,102,881.53/55,999.22
  6. Step 6: Final answer
    x = 28,591.52

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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.