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Finding the Fourth Proportional to 83,524.84, 115,264.74 and 45,284.68

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Solution

The fourth proportional to 83,524.84, 115,264.74 and 45,284.68 is: 62,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,524.84 : 115,264.74 = 45,284.68 : x
  2. Step 2: Convert to fraction form
    83,524.84/115,264.74 = 45,284.68/x
  3. Step 3: Cross multiply
    83,524.84x = 115,264.74 × 45,284.68
  4. Step 4: Simplify right side
    83,524.84x = 5,219,726,866.18
  5. Step 5: Solve for x
    x = 5,219,726,866.18/83,524.84
  6. Step 6: Final answer
    x = 62,493.11

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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.