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Finding the Fourth Proportional to 31,661.04, 47,482.64 and 9,469.12

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Solution

The fourth proportional to 31,661.04, 47,482.64 and 9,469.12 is: 14,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,661.04 : 47,482.64 = 9,469.12 : x
  2. Step 2: Convert to fraction form
    31,661.04/47,482.64 = 9,469.12/x
  3. Step 3: Cross multiply
    31,661.04x = 47,482.64 × 9,469.12
  4. Step 4: Simplify right side
    31,661.04x = 449,618,816.08
  5. Step 5: Solve for x
    x = 449,618,816.08/31,661.04
  6. Step 6: Final answer
    x = 14,201.01

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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.