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Finding the Fourth Proportional to 65,315.70, 97,900.65 and 33,713.55

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Solution

The fourth proportional to 65,315.70, 97,900.65 and 33,713.55 is: 50,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.70 : 97,900.65 = 33,713.55 : x
  2. Step 2: Convert to fraction form
    65,315.70/97,900.65 = 33,713.55/x
  3. Step 3: Cross multiply
    65,315.70x = 97,900.65 × 33,713.55
  4. Step 4: Simplify right side
    65,315.70x = 3,300,578,458.81
  5. Step 5: Solve for x
    x = 3,300,578,458.81/65,315.70
  6. Step 6: Final answer
    x = 50,532.70

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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.