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Finding the Fourth Proportional to 15,469.50, 21,343.02 and 9,094.06

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Solution

The fourth proportional to 15,469.50, 21,343.02 and 9,094.06 is: 12,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.50 : 21,343.02 = 9,094.06 : x
  2. Step 2: Convert to fraction form
    15,469.50/21,343.02 = 9,094.06/x
  3. Step 3: Cross multiply
    15,469.50x = 21,343.02 × 9,094.06
  4. Step 4: Simplify right side
    15,469.50x = 194,094,704.46
  5. Step 5: Solve for x
    x = 194,094,704.46/15,469.50
  6. Step 6: Final answer
    x = 12,546.93

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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.