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Finding the Fourth Proportional to 31,697.55, 47,546.28 and 9,510.89

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Solution

The fourth proportional to 31,697.55, 47,546.28 and 9,510.89 is: 14,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.55 : 47,546.28 = 9,510.89 : x
  2. Step 2: Convert to fraction form
    31,697.55/47,546.28 = 9,510.89/x
  3. Step 3: Cross multiply
    31,697.55x = 47,546.28 × 9,510.89
  4. Step 4: Simplify right side
    31,697.55x = 452,207,201.26
  5. Step 5: Solve for x
    x = 452,207,201.26/31,697.55
  6. Step 6: Final answer
    x = 14,266.31

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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.