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Finding the Fourth Proportional to 6,943, 9,581.36 and 4,463.32

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Solution

The fourth proportional to 6,943, 9,581.36 and 4,463.32 is: 6,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943 : 9,581.36 = 4,463.32 : x
  2. Step 2: Convert to fraction form
    6,943/9,581.36 = 4,463.32/x
  3. Step 3: Cross multiply
    6,943x = 9,581.36 × 4,463.32
  4. Step 4: Simplify right side
    6,943x = 42,764,675.72
  5. Step 5: Solve for x
    x = 42,764,675.72/6,943
  6. Step 6: Final answer
    x = 6,159.39

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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.