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Finding the Fourth Proportional to 8,363.50, 11,543.43 and 5,007.06

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Solution

The fourth proportional to 8,363.50, 11,543.43 and 5,007.06 is: 6,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.50 : 11,543.43 = 5,007.06 : x
  2. Step 2: Convert to fraction form
    8,363.50/11,543.43 = 5,007.06/x
  3. Step 3: Cross multiply
    8,363.50x = 11,543.43 × 5,007.06
  4. Step 4: Simplify right side
    8,363.50x = 57,798,675.47
  5. Step 5: Solve for x
    x = 57,798,675.47/8,363.50
  6. Step 6: Final answer
    x = 6,910.82

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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.