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Finding the Fourth Proportional to 75,072.66, 103,583.84 and 44,853.45

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Solution

The fourth proportional to 75,072.66, 103,583.84 and 44,853.45 is: 61,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.66 : 103,583.84 = 44,853.45 : x
  2. Step 2: Convert to fraction form
    75,072.66/103,583.84 = 44,853.45/x
  3. Step 3: Cross multiply
    75,072.66x = 103,583.84 × 44,853.45
  4. Step 4: Simplify right side
    75,072.66x = 4,646,092,363.98
  5. Step 5: Solve for x
    x = 4,646,092,363.98/75,072.66
  6. Step 6: Final answer
    x = 61,887.94

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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.