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Finding the Fourth Proportional to 73,644.84, 101,630.98 and 40,111.40

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Solution

The fourth proportional to 73,644.84, 101,630.98 and 40,111.40 is: 55,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644.84 : 101,630.98 = 40,111.40 : x
  2. Step 2: Convert to fraction form
    73,644.84/101,630.98 = 40,111.40/x
  3. Step 3: Cross multiply
    73,644.84x = 101,630.98 × 40,111.40
  4. Step 4: Simplify right side
    73,644.84x = 4,076,560,891.17
  5. Step 5: Solve for x
    x = 4,076,560,891.17/73,644.84
  6. Step 6: Final answer
    x = 55,354.33

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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.