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Finding the Fourth Proportional to 31,199.58, 46,800.18 and 9,013.68

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Solution

The fourth proportional to 31,199.58, 46,800.18 and 9,013.68 is: 13,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.58 : 46,800.18 = 9,013.68 : x
  2. Step 2: Convert to fraction form
    31,199.58/46,800.18 = 9,013.68/x
  3. Step 3: Cross multiply
    31,199.58x = 46,800.18 × 9,013.68
  4. Step 4: Simplify right side
    31,199.58x = 421,841,846.46
  5. Step 5: Solve for x
    x = 421,841,846.46/31,199.58
  6. Step 6: Final answer
    x = 13,520.75

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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.