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Finding the Fourth Proportional to 7,695.23, 10,618.72 and 4,337.78

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Solution

The fourth proportional to 7,695.23, 10,618.72 and 4,337.78 is: 5,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.23 : 10,618.72 = 4,337.78 : x
  2. Step 2: Convert to fraction form
    7,695.23/10,618.72 = 4,337.78/x
  3. Step 3: Cross multiply
    7,695.23x = 10,618.72 × 4,337.78
  4. Step 4: Simplify right side
    7,695.23x = 46,061,607.30
  5. Step 5: Solve for x
    x = 46,061,607.30/7,695.23
  6. Step 6: Final answer
    x = 5,985.74

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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.