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Finding the Fourth Proportional to 66,708.68, 100,097.51 and 29,295.05

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Solution

The fourth proportional to 66,708.68, 100,097.51 and 29,295.05 is: 43,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.68 : 100,097.51 = 29,295.05 : x
  2. Step 2: Convert to fraction form
    66,708.68/100,097.51 = 29,295.05/x
  3. Step 3: Cross multiply
    66,708.68x = 100,097.51 × 29,295.05
  4. Step 4: Simplify right side
    66,708.68x = 2,932,360,913.36
  5. Step 5: Solve for x
    x = 2,932,360,913.36/66,708.68
  6. Step 6: Final answer
    x = 43,957.71

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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.