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Finding the Fourth Proportional to 69,661.62, 96,132.69 and 37,830.51

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Solution

The fourth proportional to 69,661.62, 96,132.69 and 37,830.51 is: 52,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.62 : 96,132.69 = 37,830.51 : x
  2. Step 2: Convert to fraction form
    69,661.62/96,132.69 = 37,830.51/x
  3. Step 3: Cross multiply
    69,661.62x = 96,132.69 × 37,830.51
  4. Step 4: Simplify right side
    69,661.62x = 3,636,748,690.37
  5. Step 5: Solve for x
    x = 3,636,748,690.37/69,661.62
  6. Step 6: Final answer
    x = 52,205.92

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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.