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Finding the Fourth Proportional to 6,296.95, 9,445.39 and 1,915.66

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Solution

The fourth proportional to 6,296.95, 9,445.39 and 1,915.66 is: 2,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.95 : 9,445.39 = 1,915.66 : x
  2. Step 2: Convert to fraction form
    6,296.95/9,445.39 = 1,915.66/x
  3. Step 3: Cross multiply
    6,296.95x = 9,445.39 × 1,915.66
  4. Step 4: Simplify right side
    6,296.95x = 18,094,155.81
  5. Step 5: Solve for x
    x = 18,094,155.81/6,296.95
  6. Step 6: Final answer
    x = 2,873.48

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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.