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Finding the Fourth Proportional to 62,824.69, 86,698.74 and 34,144.35

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Solution

The fourth proportional to 62,824.69, 86,698.74 and 34,144.35 is: 47,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,824.69 : 86,698.74 = 34,144.35 : x
  2. Step 2: Convert to fraction form
    62,824.69/86,698.74 = 34,144.35/x
  3. Step 3: Cross multiply
    62,824.69x = 86,698.74 × 34,144.35
  4. Step 4: Simplify right side
    62,824.69x = 2,960,272,123.12
  5. Step 5: Solve for x
    x = 2,960,272,123.12/62,824.69
  6. Step 6: Final answer
    x = 47,119.57

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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.