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Finding the Fourth Proportional to 9,905.16, 14,834.30 and 8,599.54

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Solution

The fourth proportional to 9,905.16, 14,834.30 and 8,599.54 is: 12,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.16 : 14,834.30 = 8,599.54 : x
  2. Step 2: Convert to fraction form
    9,905.16/14,834.30 = 8,599.54/x
  3. Step 3: Cross multiply
    9,905.16x = 14,834.30 × 8,599.54
  4. Step 4: Simplify right side
    9,905.16x = 127,568,156.22
  5. Step 5: Solve for x
    x = 127,568,156.22/9,905.16
  6. Step 6: Final answer
    x = 12,878.96

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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.