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Finding the Fourth Proportional to 69,476.60, 95,878.05 and 37,645.49

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Solution

The fourth proportional to 69,476.60, 95,878.05 and 37,645.49 is: 51,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.60 : 95,878.05 = 37,645.49 : x
  2. Step 2: Convert to fraction form
    69,476.60/95,878.05 = 37,645.49/x
  3. Step 3: Cross multiply
    69,476.60x = 95,878.05 × 37,645.49
  4. Step 4: Simplify right side
    69,476.60x = 3,609,376,271.02
  5. Step 5: Solve for x
    x = 3,609,376,271.02/69,476.60
  6. Step 6: Final answer
    x = 51,950.96

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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.