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Finding the Fourth Proportional to 6,946.95, 10,418 and 4,310.40

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Solution

The fourth proportional to 6,946.95, 10,418 and 4,310.40 is: 6,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.95 : 10,418 = 4,310.40 : x
  2. Step 2: Convert to fraction form
    6,946.95/10,418 = 4,310.40/x
  3. Step 3: Cross multiply
    6,946.95x = 10,418 × 4,310.40
  4. Step 4: Simplify right side
    6,946.95x = 44,905,747.20
  5. Step 5: Solve for x
    x = 44,905,747.20/6,946.95
  6. Step 6: Final answer
    x = 6,464.10

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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.