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Finding the Fourth Proportional to 7,294.86, 10,895.72 and 6,310.71

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Solution

The fourth proportional to 7,294.86, 10,895.72 and 6,310.71 is: 9,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.86 : 10,895.72 = 6,310.71 : x
  2. Step 2: Convert to fraction form
    7,294.86/10,895.72 = 6,310.71/x
  3. Step 3: Cross multiply
    7,294.86x = 10,895.72 × 6,310.71
  4. Step 4: Simplify right side
    7,294.86x = 68,759,697.61
  5. Step 5: Solve for x
    x = 68,759,697.61/7,294.86
  6. Step 6: Final answer
    x = 9,425.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.