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Finding the Fourth Proportional to 31,846.58, 47,769.98 and 9,660.14

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Solution

The fourth proportional to 31,846.58, 47,769.98 and 9,660.14 is: 14,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.58 : 47,769.98 = 9,660.14 : x
  2. Step 2: Convert to fraction form
    31,846.58/47,769.98 = 9,660.14/x
  3. Step 3: Cross multiply
    31,846.58x = 47,769.98 × 9,660.14
  4. Step 4: Simplify right side
    31,846.58x = 461,464,407.45
  5. Step 5: Solve for x
    x = 461,464,407.45/31,846.58
  6. Step 6: Final answer
    x = 14,490.24

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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.