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Finding the Fourth Proportional to 8,929.52, 12,322.06 and 4,950.56

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Solution

The fourth proportional to 8,929.52, 12,322.06 and 4,950.56 is: 6,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.52 : 12,322.06 = 4,950.56 : x
  2. Step 2: Convert to fraction form
    8,929.52/12,322.06 = 4,950.56/x
  3. Step 3: Cross multiply
    8,929.52x = 12,322.06 × 4,950.56
  4. Step 4: Simplify right side
    8,929.52x = 61,001,097.35
  5. Step 5: Solve for x
    x = 61,001,097.35/8,929.52
  6. Step 6: Final answer
    x = 6,831.40

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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.