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Finding the Fourth Proportional to 8,937.86, 13,389.35 and 5,850.50

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Solution

The fourth proportional to 8,937.86, 13,389.35 and 5,850.50 is: 8,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.86 : 13,389.35 = 5,850.50 : x
  2. Step 2: Convert to fraction form
    8,937.86/13,389.35 = 5,850.50/x
  3. Step 3: Cross multiply
    8,937.86x = 13,389.35 × 5,850.50
  4. Step 4: Simplify right side
    8,937.86x = 78,334,392.18
  5. Step 5: Solve for x
    x = 78,334,392.18/8,937.86
  6. Step 6: Final answer
    x = 8,764.33

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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.