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Finding the Fourth Proportional to 69,746.69, 96,087.71 and 48,489.05

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Solution

The fourth proportional to 69,746.69, 96,087.71 and 48,489.05 is: 66,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,746.69 : 96,087.71 = 48,489.05 : x
  2. Step 2: Convert to fraction form
    69,746.69/96,087.71 = 48,489.05/x
  3. Step 3: Cross multiply
    69,746.69x = 96,087.71 × 48,489.05
  4. Step 4: Simplify right side
    69,746.69x = 4,659,201,051.69
  5. Step 5: Solve for x
    x = 4,659,201,051.69/69,746.69
  6. Step 6: Final answer
    x = 66,801.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.