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Finding the Fourth Proportional to 66,948.20, 100,358.51 and 22,552.10

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Solution

The fourth proportional to 66,948.20, 100,358.51 and 22,552.10 is: 33,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948.20 : 100,358.51 = 22,552.10 : x
  2. Step 2: Convert to fraction form
    66,948.20/100,358.51 = 22,552.10/x
  3. Step 3: Cross multiply
    66,948.20x = 100,358.51 × 22,552.10
  4. Step 4: Simplify right side
    66,948.20x = 2,263,294,538.82
  5. Step 5: Solve for x
    x = 2,263,294,538.82/66,948.20
  6. Step 6: Final answer
    x = 33,806.66

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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.