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Finding the Fourth Proportional to 66,887.94, 100,342.29 and 22,511.23

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Solution

The fourth proportional to 66,887.94, 100,342.29 and 22,511.23 is: 33,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.94 : 100,342.29 = 22,511.23 : x
  2. Step 2: Convert to fraction form
    66,887.94/100,342.29 = 22,511.23/x
  3. Step 3: Cross multiply
    66,887.94x = 100,342.29 × 22,511.23
  4. Step 4: Simplify right side
    66,887.94x = 2,258,828,263.99
  5. Step 5: Solve for x
    x = 2,258,828,263.99/66,887.94
  6. Step 6: Final answer
    x = 33,770.34

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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.