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Finding the Fourth Proportional to 69,975.34, 96,562.48 and 39,756.67

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Solution

The fourth proportional to 69,975.34, 96,562.48 and 39,756.67 is: 54,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.34 : 96,562.48 = 39,756.67 : x
  2. Step 2: Convert to fraction form
    69,975.34/96,562.48 = 39,756.67/x
  3. Step 3: Cross multiply
    69,975.34x = 96,562.48 × 39,756.67
  4. Step 4: Simplify right side
    69,975.34x = 3,839,002,651.74
  5. Step 5: Solve for x
    x = 3,839,002,651.74/69,975.34
  6. Step 6: Final answer
    x = 54,862.22

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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.