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Finding the Fourth Proportional to 8,929.29, 12,322.15 and 4,950.17

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Solution

The fourth proportional to 8,929.29, 12,322.15 and 4,950.17 is: 6,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.29 : 12,322.15 = 4,950.17 : x
  2. Step 2: Convert to fraction form
    8,929.29/12,322.15 = 4,950.17/x
  3. Step 3: Cross multiply
    8,929.29x = 12,322.15 × 4,950.17
  4. Step 4: Simplify right side
    8,929.29x = 60,996,737.27
  5. Step 5: Solve for x
    x = 60,996,737.27/8,929.29
  6. Step 6: Final answer
    x = 6,831.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.