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Finding the Fourth Proportional to 9,603.66, 13,264.96 and 7,392.36

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Solution

The fourth proportional to 9,603.66, 13,264.96 and 7,392.36 is: 10,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.66 : 13,264.96 = 7,392.36 : x
  2. Step 2: Convert to fraction form
    9,603.66/13,264.96 = 7,392.36/x
  3. Step 3: Cross multiply
    9,603.66x = 13,264.96 × 7,392.36
  4. Step 4: Simplify right side
    9,603.66x = 98,059,359.71
  5. Step 5: Solve for x
    x = 98,059,359.71/9,603.66
  6. Step 6: Final answer
    x = 10,210.62

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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.