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Finding the Fourth Proportional to 7,007.54, 10,509.99 and 2,624.06

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Solution

The fourth proportional to 7,007.54, 10,509.99 and 2,624.06 is: 3,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.54 : 10,509.99 = 2,624.06 : x
  2. Step 2: Convert to fraction form
    7,007.54/10,509.99 = 2,624.06/x
  3. Step 3: Cross multiply
    7,007.54x = 10,509.99 × 2,624.06
  4. Step 4: Simplify right side
    7,007.54x = 27,578,844.36
  5. Step 5: Solve for x
    x = 27,578,844.36/7,007.54
  6. Step 6: Final answer
    x = 3,935.60

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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.