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Finding the Fourth Proportional to 8,927.88, 12,320.32 and 4,948.98

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Solution

The fourth proportional to 8,927.88, 12,320.32 and 4,948.98 is: 6,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.88 : 12,320.32 = 4,948.98 : x
  2. Step 2: Convert to fraction form
    8,927.88/12,320.32 = 4,948.98/x
  3. Step 3: Cross multiply
    8,927.88x = 12,320.32 × 4,948.98
  4. Step 4: Simplify right side
    8,927.88x = 60,973,017.27
  5. Step 5: Solve for x
    x = 60,973,017.27/8,927.88
  6. Step 6: Final answer
    x = 6,829.51

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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.