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Finding the Fourth Proportional to 46,756.70, 70,144.38 and 16,762.88

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Solution

The fourth proportional to 46,756.70, 70,144.38 and 16,762.88 is: 25,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,756.70 : 70,144.38 = 16,762.88 : x
  2. Step 2: Convert to fraction form
    46,756.70/70,144.38 = 16,762.88/x
  3. Step 3: Cross multiply
    46,756.70x = 70,144.38 × 16,762.88
  4. Step 4: Simplify right side
    46,756.70x = 1,175,821,824.61
  5. Step 5: Solve for x
    x = 1,175,821,824.61/46,756.70
  6. Step 6: Final answer
    x = 25,147.66

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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.