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Finding the Fourth Proportional to 13,065.48, 18,030.06 and 7,097.02

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Solution

The fourth proportional to 13,065.48, 18,030.06 and 7,097.02 is: 9,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.48 : 18,030.06 = 7,097.02 : x
  2. Step 2: Convert to fraction form
    13,065.48/18,030.06 = 7,097.02/x
  3. Step 3: Cross multiply
    13,065.48x = 18,030.06 × 7,097.02
  4. Step 4: Simplify right side
    13,065.48x = 127,959,606.27
  5. Step 5: Solve for x
    x = 127,959,606.27/13,065.48
  6. Step 6: Final answer
    x = 9,793.72

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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.