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Finding the Fourth Proportional to 7,167.61, 9,904.13 and 5,607.55

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Solution

The fourth proportional to 7,167.61, 9,904.13 and 5,607.55 is: 7,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.61 : 9,904.13 = 5,607.55 : x
  2. Step 2: Convert to fraction form
    7,167.61/9,904.13 = 5,607.55/x
  3. Step 3: Cross multiply
    7,167.61x = 9,904.13 × 5,607.55
  4. Step 4: Simplify right side
    7,167.61x = 55,537,893.44
  5. Step 5: Solve for x
    x = 55,537,893.44/7,167.61
  6. Step 6: Final answer
    x = 7,748.46

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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.