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Finding the Fourth Proportional to 67,880.47, 101,821.99 and 23,508.67

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Solution

The fourth proportional to 67,880.47, 101,821.99 and 23,508.67 is: 35,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.47 : 101,821.99 = 23,508.67 : x
  2. Step 2: Convert to fraction form
    67,880.47/101,821.99 = 23,508.67/x
  3. Step 3: Cross multiply
    67,880.47x = 101,821.99 × 23,508.67
  4. Step 4: Simplify right side
    67,880.47x = 2,393,699,561.65
  5. Step 5: Solve for x
    x = 2,393,699,561.65/67,880.47
  6. Step 6: Final answer
    x = 35,263.45

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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.