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Finding the Fourth Proportional to 70,226.51, 96,912.68 and 40,010.51

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Solution

The fourth proportional to 70,226.51, 96,912.68 and 40,010.51 is: 55,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,226.51 : 96,912.68 = 40,010.51 : x
  2. Step 2: Convert to fraction form
    70,226.51/96,912.68 = 40,010.51/x
  3. Step 3: Cross multiply
    70,226.51x = 96,912.68 × 40,010.51
  4. Step 4: Simplify right side
    70,226.51x = 3,877,525,752.27
  5. Step 5: Solve for x
    x = 3,877,525,752.27/70,226.51
  6. Step 6: Final answer
    x = 55,214.56

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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.