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Finding the Fourth Proportional to 10,057.42, 13,891.35 and 8,795.26

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Solution

The fourth proportional to 10,057.42, 13,891.35 and 8,795.26 is: 12,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.42 : 13,891.35 = 8,795.26 : x
  2. Step 2: Convert to fraction form
    10,057.42/13,891.35 = 8,795.26/x
  3. Step 3: Cross multiply
    10,057.42x = 13,891.35 × 8,795.26
  4. Step 4: Simplify right side
    10,057.42x = 122,178,035.00
  5. Step 5: Solve for x
    x = 122,178,035.00/10,057.42
  6. Step 6: Final answer
    x = 12,148.05

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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.