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Finding the Fourth Proportional to 66,435.60, 99,631.72 and 22,050.44

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Solution

The fourth proportional to 66,435.60, 99,631.72 and 22,050.44 is: 33,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.60 : 99,631.72 = 22,050.44 : x
  2. Step 2: Convert to fraction form
    66,435.60/99,631.72 = 22,050.44/x
  3. Step 3: Cross multiply
    66,435.60x = 99,631.72 × 22,050.44
  4. Step 4: Simplify right side
    66,435.60x = 2,196,923,263.96
  5. Step 5: Solve for x
    x = 2,196,923,263.96/66,435.60
  6. Step 6: Final answer
    x = 33,068.46

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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.