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Finding the Fourth Proportional to 39,662.46, 59,484.45 and 11,576.61

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Solution

The fourth proportional to 39,662.46, 59,484.45 and 11,576.61 is: 17,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.46 : 59,484.45 = 11,576.61 : x
  2. Step 2: Convert to fraction form
    39,662.46/59,484.45 = 11,576.61/x
  3. Step 3: Cross multiply
    39,662.46x = 59,484.45 × 11,576.61
  4. Step 4: Simplify right side
    39,662.46x = 688,628,278.71
  5. Step 5: Solve for x
    x = 688,628,278.71/39,662.46
  6. Step 6: Final answer
    x = 17,362.22

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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.