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Finding the Fourth Proportional to 6,690.01, 10,013.96 and 5,985.58

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Solution

The fourth proportional to 6,690.01, 10,013.96 and 5,985.58 is: 8,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.01 : 10,013.96 = 5,985.58 : x
  2. Step 2: Convert to fraction form
    6,690.01/10,013.96 = 5,985.58/x
  3. Step 3: Cross multiply
    6,690.01x = 10,013.96 × 5,985.58
  4. Step 4: Simplify right side
    6,690.01x = 59,939,358.70
  5. Step 5: Solve for x
    x = 59,939,358.70/6,690.01
  6. Step 6: Final answer
    x = 8,959.53

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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.