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Finding the Fourth Proportional to 7,689.04, 11,476.04 and 7,073.44

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Solution

The fourth proportional to 7,689.04, 11,476.04 and 7,073.44 is: 10,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.04 : 11,476.04 = 7,073.44 : x
  2. Step 2: Convert to fraction form
    7,689.04/11,476.04 = 7,073.44/x
  3. Step 3: Cross multiply
    7,689.04x = 11,476.04 × 7,073.44
  4. Step 4: Simplify right side
    7,689.04x = 81,175,080.38
  5. Step 5: Solve for x
    x = 81,175,080.38/7,689.04
  6. Step 6: Final answer
    x = 10,557.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.