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Finding the Fourth Proportional to 91,854.44, 137,790.38 and 35,698.89

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Solution

The fourth proportional to 91,854.44, 137,790.38 and 35,698.89 is: 53,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.44 : 137,790.38 = 35,698.89 : x
  2. Step 2: Convert to fraction form
    91,854.44/137,790.38 = 35,698.89/x
  3. Step 3: Cross multiply
    91,854.44x = 137,790.38 × 35,698.89
  4. Step 4: Simplify right side
    91,854.44x = 4,918,963,618.68
  5. Step 5: Solve for x
    x = 4,918,963,618.68/91,854.44
  6. Step 6: Final answer
    x = 53,551.72

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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.