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Finding the Fourth Proportional to 7,345.16, 11,017.02 and 2,665.16

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Solution

The fourth proportional to 7,345.16, 11,017.02 and 2,665.16 is: 3,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.16 : 11,017.02 = 2,665.16 : x
  2. Step 2: Convert to fraction form
    7,345.16/11,017.02 = 2,665.16/x
  3. Step 3: Cross multiply
    7,345.16x = 11,017.02 × 2,665.16
  4. Step 4: Simplify right side
    7,345.16x = 29,362,121.02
  5. Step 5: Solve for x
    x = 29,362,121.02/7,345.16
  6. Step 6: Final answer
    x = 3,997.48

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1.5x scale

Why These Related Problems?

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