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Finding the Fourth Proportional to 5,820.61, 8,731.86 and 2,310.63

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Solution

The fourth proportional to 5,820.61, 8,731.86 and 2,310.63 is: 3,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.61 : 8,731.86 = 2,310.63 : x
  2. Step 2: Convert to fraction form
    5,820.61/8,731.86 = 2,310.63/x
  3. Step 3: Cross multiply
    5,820.61x = 8,731.86 × 2,310.63
  4. Step 4: Simplify right side
    5,820.61x = 20,176,097.67
  5. Step 5: Solve for x
    x = 20,176,097.67/5,820.61
  6. Step 6: Final answer
    x = 3,466.32

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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.