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Finding the Fourth Proportional to 8,555.95, 11,807.12 and 5,018.48

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Solution

The fourth proportional to 8,555.95, 11,807.12 and 5,018.48 is: 6,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.95 : 11,807.12 = 5,018.48 : x
  2. Step 2: Convert to fraction form
    8,555.95/11,807.12 = 5,018.48/x
  3. Step 3: Cross multiply
    8,555.95x = 11,807.12 × 5,018.48
  4. Step 4: Simplify right side
    8,555.95x = 59,253,770.49
  5. Step 5: Solve for x
    x = 59,253,770.49/8,555.95
  6. Step 6: Final answer
    x = 6,925.45

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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.