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Finding the Fourth Proportional to 66,948.76, 100,353.06 and 22,560.17

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Solution

The fourth proportional to 66,948.76, 100,353.06 and 22,560.17 is: 33,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948.76 : 100,353.06 = 22,560.17 : x
  2. Step 2: Convert to fraction form
    66,948.76/100,353.06 = 22,560.17/x
  3. Step 3: Cross multiply
    66,948.76x = 100,353.06 × 22,560.17
  4. Step 4: Simplify right side
    66,948.76x = 2,263,982,344.50
  5. Step 5: Solve for x
    x = 2,263,982,344.50/66,948.76
  6. Step 6: Final answer
    x = 33,816.64

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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.