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Finding the Fourth Proportional to 66,563.94, 99,820.47 and 22,182.18

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Solution

The fourth proportional to 66,563.94, 99,820.47 and 22,182.18 is: 33,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.94 : 99,820.47 = 22,182.18 : x
  2. Step 2: Convert to fraction form
    66,563.94/99,820.47 = 22,182.18/x
  3. Step 3: Cross multiply
    66,563.94x = 99,820.47 × 22,182.18
  4. Step 4: Simplify right side
    66,563.94x = 2,214,235,633.22
  5. Step 5: Solve for x
    x = 2,214,235,633.22/66,563.94
  6. Step 6: Final answer
    x = 33,264.79

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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.