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Finding the Fourth Proportional to 83,863.36, 115,733.54 and 45,625.06

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Solution

The fourth proportional to 83,863.36, 115,733.54 and 45,625.06 is: 62,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.36 : 115,733.54 = 45,625.06 : x
  2. Step 2: Convert to fraction form
    83,863.36/115,733.54 = 45,625.06/x
  3. Step 3: Cross multiply
    83,863.36x = 115,733.54 × 45,625.06
  4. Step 4: Simplify right side
    83,863.36x = 5,280,349,706.51
  5. Step 5: Solve for x
    x = 5,280,349,706.51/83,863.36
  6. Step 6: Final answer
    x = 62,963.73

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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.