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Finding the Fourth Proportional to 62,649.66, 86,472.72 and 38,762.22

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Solution

The fourth proportional to 62,649.66, 86,472.72 and 38,762.22 is: 53,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649.66 : 86,472.72 = 38,762.22 : x
  2. Step 2: Convert to fraction form
    62,649.66/86,472.72 = 38,762.22/x
  3. Step 3: Cross multiply
    62,649.66x = 86,472.72 × 38,762.22
  4. Step 4: Simplify right side
    62,649.66x = 3,351,874,596.64
  5. Step 5: Solve for x
    x = 3,351,874,596.64/62,649.66
  6. Step 6: Final answer
    x = 53,501.88

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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.