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Finding the Fourth Proportional to 8,897.33, 13,345.45 and 2,657.36

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Solution

The fourth proportional to 8,897.33, 13,345.45 and 2,657.36 is: 3,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.33 : 13,345.45 = 2,657.36 : x
  2. Step 2: Convert to fraction form
    8,897.33/13,345.45 = 2,657.36/x
  3. Step 3: Cross multiply
    8,897.33x = 13,345.45 × 2,657.36
  4. Step 4: Simplify right side
    8,897.33x = 35,463,665.01
  5. Step 5: Solve for x
    x = 35,463,665.01/8,897.33
  6. Step 6: Final answer
    x = 3,985.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.