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Finding the Fourth Proportional to 8,929.26, 12,321.86 and 4,950.27

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Solution

The fourth proportional to 8,929.26, 12,321.86 and 4,950.27 is: 6,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.26 : 12,321.86 = 4,950.27 : x
  2. Step 2: Convert to fraction form
    8,929.26/12,321.86 = 4,950.27/x
  3. Step 3: Cross multiply
    8,929.26x = 12,321.86 × 4,950.27
  4. Step 4: Simplify right side
    8,929.26x = 60,996,509.15
  5. Step 5: Solve for x
    x = 60,996,509.15/8,929.26
  6. Step 6: Final answer
    x = 6,831.08

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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.