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Finding the Fourth Proportional to 6,985.02, 10,477.74 and 2,827.02

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Solution

The fourth proportional to 6,985.02, 10,477.74 and 2,827.02 is: 4,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.02 : 10,477.74 = 2,827.02 : x
  2. Step 2: Convert to fraction form
    6,985.02/10,477.74 = 2,827.02/x
  3. Step 3: Cross multiply
    6,985.02x = 10,477.74 × 2,827.02
  4. Step 4: Simplify right side
    6,985.02x = 29,620,780.53
  5. Step 5: Solve for x
    x = 29,620,780.53/6,985.02
  6. Step 6: Final answer
    x = 4,240.61

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Similar ratio
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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.