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Finding the Fourth Proportional to 66,851.52, 100,214.46 and 22,447.12

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Solution

The fourth proportional to 66,851.52, 100,214.46 and 22,447.12 is: 33,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.52 : 100,214.46 = 22,447.12 : x
  2. Step 2: Convert to fraction form
    66,851.52/100,214.46 = 22,447.12/x
  3. Step 3: Cross multiply
    66,851.52x = 100,214.46 × 22,447.12
  4. Step 4: Simplify right side
    66,851.52x = 2,249,525,946.72
  5. Step 5: Solve for x
    x = 2,249,525,946.72/66,851.52
  6. Step 6: Final answer
    x = 33,649.59

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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.