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Finding the Fourth Proportional to 7,547.63, 11,321.46 and 2,617.28

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Solution

The fourth proportional to 7,547.63, 11,321.46 and 2,617.28 is: 3,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.63 : 11,321.46 = 2,617.28 : x
  2. Step 2: Convert to fraction form
    7,547.63/11,321.46 = 2,617.28/x
  3. Step 3: Cross multiply
    7,547.63x = 11,321.46 × 2,617.28
  4. Step 4: Simplify right side
    7,547.63x = 29,631,430.83
  5. Step 5: Solve for x
    x = 29,631,430.83/7,547.63
  6. Step 6: Final answer
    x = 3,925.93

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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.