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Finding the Fourth Proportional to 51,215.97, 70,637.97 and 33,316.68

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Solution

The fourth proportional to 51,215.97, 70,637.97 and 33,316.68 is: 45,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.97 : 70,637.97 = 33,316.68 : x
  2. Step 2: Convert to fraction form
    51,215.97/70,637.97 = 33,316.68/x
  3. Step 3: Cross multiply
    51,215.97x = 70,637.97 × 33,316.68
  4. Step 4: Simplify right side
    51,215.97x = 2,353,422,642.34
  5. Step 5: Solve for x
    x = 2,353,422,642.34/51,215.97
  6. Step 6: Final answer
    x = 45,950.95

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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.