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Finding the Fourth Proportional to 56,005.22, 83,998.11 and 19,069.22

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Solution

The fourth proportional to 56,005.22, 83,998.11 and 19,069.22 is: 28,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005.22 : 83,998.11 = 19,069.22 : x
  2. Step 2: Convert to fraction form
    56,005.22/83,998.11 = 19,069.22/x
  3. Step 3: Cross multiply
    56,005.22x = 83,998.11 × 19,069.22
  4. Step 4: Simplify right side
    56,005.22x = 1,601,778,439.17
  5. Step 5: Solve for x
    x = 1,601,778,439.17/56,005.22
  6. Step 6: Final answer
    x = 28,600.52

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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.