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Finding the Fourth Proportional to 6,885.99, 10,339.52 and 6,071.13

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Solution

The fourth proportional to 6,885.99, 10,339.52 and 6,071.13 is: 9,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.99 : 10,339.52 = 6,071.13 : x
  2. Step 2: Convert to fraction form
    6,885.99/10,339.52 = 6,071.13/x
  3. Step 3: Cross multiply
    6,885.99x = 10,339.52 × 6,071.13
  4. Step 4: Simplify right side
    6,885.99x = 62,772,539.70
  5. Step 5: Solve for x
    x = 62,772,539.70/6,885.99
  6. Step 6: Final answer
    x = 9,115.98

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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.