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Finding the Fourth Proportional to 51,878.57, 77,887.82 and 33,195.08

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Solution

The fourth proportional to 51,878.57, 77,887.82 and 33,195.08 is: 49,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.57 : 77,887.82 = 33,195.08 : x
  2. Step 2: Convert to fraction form
    51,878.57/77,887.82 = 33,195.08/x
  3. Step 3: Cross multiply
    51,878.57x = 77,887.82 × 33,195.08
  4. Step 4: Simplify right side
    51,878.57x = 2,585,492,304.19
  5. Step 5: Solve for x
    x = 2,585,492,304.19/51,878.57
  6. Step 6: Final answer
    x = 49,837.38

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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.