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Finding the Fourth Proportional to 11,097.95, 15,321.35 and 7,700.00

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Solution

The fourth proportional to 11,097.95, 15,321.35 and 7,700.00 is: 10,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.95 : 15,321.35 = 7,700.00 : x
  2. Step 2: Convert to fraction form
    11,097.95/15,321.35 = 7,700.00/x
  3. Step 3: Cross multiply
    11,097.95x = 15,321.35 × 7,700.00
  4. Step 4: Simplify right side
    11,097.95x = 117,974,337.64
  5. Step 5: Solve for x
    x = 117,974,337.64/11,097.95
  6. Step 6: Final answer
    x = 10,630.29

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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.