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Finding the Fourth Proportional to 9,300.66, 14,006.00 and 6,721.62

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Solution

The fourth proportional to 9,300.66, 14,006.00 and 6,721.62 is: 10,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.66 : 14,006.00 = 6,721.62 : x
  2. Step 2: Convert to fraction form
    9,300.66/14,006.00 = 6,721.62/x
  3. Step 3: Cross multiply
    9,300.66x = 14,006.00 × 6,721.62
  4. Step 4: Simplify right side
    9,300.66x = 94,142,976.11
  5. Step 5: Solve for x
    x = 94,142,976.11/9,300.66
  6. Step 6: Final answer
    x = 10,122.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.