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Finding the Fourth Proportional to 10,807.22, 14,913.96 and 5,839.22

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Solution

The fourth proportional to 10,807.22, 14,913.96 and 5,839.22 is: 8,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.22 : 14,913.96 = 5,839.22 : x
  2. Step 2: Convert to fraction form
    10,807.22/14,913.96 = 5,839.22/x
  3. Step 3: Cross multiply
    10,807.22x = 14,913.96 × 5,839.22
  4. Step 4: Simplify right side
    10,807.22x = 87,085,818.94
  5. Step 5: Solve for x
    x = 87,085,818.94/10,807.22
  6. Step 6: Final answer
    x = 8,058.12

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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.