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Finding the Fourth Proportional to 7,006.58, 10,510.09 and 2,623.20

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Solution

The fourth proportional to 7,006.58, 10,510.09 and 2,623.20 is: 3,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.58 : 10,510.09 = 2,623.20 : x
  2. Step 2: Convert to fraction form
    7,006.58/10,510.09 = 2,623.20/x
  3. Step 3: Cross multiply
    7,006.58x = 10,510.09 × 2,623.20
  4. Step 4: Simplify right side
    7,006.58x = 27,570,068.09
  5. Step 5: Solve for x
    x = 27,570,068.09/7,006.58
  6. Step 6: Final answer
    x = 3,934.88

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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.