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Finding the Fourth Proportional to 7,698.03, 10,622.48 and 5,682.51

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Solution

The fourth proportional to 7,698.03, 10,622.48 and 5,682.51 is: 7,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.03 : 10,622.48 = 5,682.51 : x
  2. Step 2: Convert to fraction form
    7,698.03/10,622.48 = 5,682.51/x
  3. Step 3: Cross multiply
    7,698.03x = 10,622.48 × 5,682.51
  4. Step 4: Simplify right side
    7,698.03x = 60,362,395.63
  5. Step 5: Solve for x
    x = 60,362,395.63/7,698.03
  6. Step 6: Final answer
    x = 7,841.28

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Double scale
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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.