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Finding the Fourth Proportional to 7,698.09, 10,622.02 and 4,553.13

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Solution

The fourth proportional to 7,698.09, 10,622.02 and 4,553.13 is: 6,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.09 : 10,622.02 = 4,553.13 : x
  2. Step 2: Convert to fraction form
    7,698.09/10,622.02 = 4,553.13/x
  3. Step 3: Cross multiply
    7,698.09x = 10,622.02 × 4,553.13
  4. Step 4: Simplify right side
    7,698.09x = 48,363,437.92
  5. Step 5: Solve for x
    x = 48,363,437.92/7,698.09
  6. Step 6: Final answer
    x = 6,282.52

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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.