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Finding the Fourth Proportional to 66,622.22, 99,975 and 41,710.90

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Solution

The fourth proportional to 66,622.22, 99,975 and 41,710.90 is: 62,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.22 : 99,975 = 41,710.90 : x
  2. Step 2: Convert to fraction form
    66,622.22/99,975 = 41,710.90/x
  3. Step 3: Cross multiply
    66,622.22x = 99,975 × 41,710.90
  4. Step 4: Simplify right side
    66,622.22x = 4,170,047,227.50
  5. Step 5: Solve for x
    x = 4,170,047,227.50/66,622.22
  6. Step 6: Final answer
    x = 62,592.44

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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.