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Finding the Fourth Proportional to 7,287.98, 10,033.08 and 6,953.22

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Solution

The fourth proportional to 7,287.98, 10,033.08 and 6,953.22 is: 9,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.98 : 10,033.08 = 6,953.22 : x
  2. Step 2: Convert to fraction form
    7,287.98/10,033.08 = 6,953.22/x
  3. Step 3: Cross multiply
    7,287.98x = 10,033.08 × 6,953.22
  4. Step 4: Simplify right side
    7,287.98x = 69,762,162.35
  5. Step 5: Solve for x
    x = 69,762,162.35/7,287.98
  6. Step 6: Final answer
    x = 9,572.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.