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Finding the Fourth Proportional to 66,675.96, 100,015.16 and 22,302.95

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Solution

The fourth proportional to 66,675.96, 100,015.16 and 22,302.95 is: 33,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.96 : 100,015.16 = 22,302.95 : x
  2. Step 2: Convert to fraction form
    66,675.96/100,015.16 = 22,302.95/x
  3. Step 3: Cross multiply
    66,675.96x = 100,015.16 × 22,302.95
  4. Step 4: Simplify right side
    66,675.96x = 2,230,632,501.13
  5. Step 5: Solve for x
    x = 2,230,632,501.13/66,675.96
  6. Step 6: Final answer
    x = 33,454.82

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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.