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Finding the Fourth Proportional to 73,608.98, 101,582.85 and 40,076.18

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Solution

The fourth proportional to 73,608.98, 101,582.85 and 40,076.18 is: 55,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,608.98 : 101,582.85 = 40,076.18 : x
  2. Step 2: Convert to fraction form
    73,608.98/101,582.85 = 40,076.18/x
  3. Step 3: Cross multiply
    73,608.98x = 101,582.85 × 40,076.18
  4. Step 4: Simplify right side
    73,608.98x = 4,071,052,581.51
  5. Step 5: Solve for x
    x = 4,071,052,581.51/73,608.98
  6. Step 6: Final answer
    x = 55,306.47

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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.