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Finding the Fourth Proportional to 65,343.39, 97,970.73 and 33,243.57

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Solution

The fourth proportional to 65,343.39, 97,970.73 and 33,243.57 is: 49,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343.39 : 97,970.73 = 33,243.57 : x
  2. Step 2: Convert to fraction form
    65,343.39/97,970.73 = 33,243.57/x
  3. Step 3: Cross multiply
    65,343.39x = 97,970.73 × 33,243.57
  4. Step 4: Simplify right side
    65,343.39x = 3,256,896,820.71
  5. Step 5: Solve for x
    x = 3,256,896,820.71/65,343.39
  6. Step 6: Final answer
    x = 49,842.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.