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Finding the Fourth Proportional to 67,564.76, 93,239.48 and 37,756.76

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Solution

The fourth proportional to 67,564.76, 93,239.48 and 37,756.76 is: 52,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.76 : 93,239.48 = 37,756.76 : x
  2. Step 2: Convert to fraction form
    67,564.76/93,239.48 = 37,756.76/x
  3. Step 3: Cross multiply
    67,564.76x = 93,239.48 × 37,756.76
  4. Step 4: Simplify right side
    67,564.76x = 3,520,420,668.88
  5. Step 5: Solve for x
    x = 3,520,420,668.88/67,564.76
  6. Step 6: Final answer
    x = 52,104.39

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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.