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Finding the Fourth Proportional to 10,797.50, 14,900.60 and 6,081.86

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Solution

The fourth proportional to 10,797.50, 14,900.60 and 6,081.86 is: 8,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797.50 : 14,900.60 = 6,081.86 : x
  2. Step 2: Convert to fraction form
    10,797.50/14,900.60 = 6,081.86/x
  3. Step 3: Cross multiply
    10,797.50x = 14,900.60 × 6,081.86
  4. Step 4: Simplify right side
    10,797.50x = 90,623,363.12
  5. Step 5: Solve for x
    x = 90,623,363.12/10,797.50
  6. Step 6: Final answer
    x = 8,392.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.