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Finding the Fourth Proportional to 8,607.06, 11,878.22 and 4,830.02

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Solution

The fourth proportional to 8,607.06, 11,878.22 and 4,830.02 is: 6,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.06 : 11,878.22 = 4,830.02 : x
  2. Step 2: Convert to fraction form
    8,607.06/11,878.22 = 4,830.02/x
  3. Step 3: Cross multiply
    8,607.06x = 11,878.22 × 4,830.02
  4. Step 4: Simplify right side
    8,607.06x = 57,372,040.16
  5. Step 5: Solve for x
    x = 57,372,040.16/8,607.06
  6. Step 6: Final answer
    x = 6,665.70

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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.