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Finding the Fourth Proportional to 6,398.06, 8,832.06 and 4,303.40

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Solution

The fourth proportional to 6,398.06, 8,832.06 and 4,303.40 is: 5,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.06 : 8,832.06 = 4,303.40 : x
  2. Step 2: Convert to fraction form
    6,398.06/8,832.06 = 4,303.40/x
  3. Step 3: Cross multiply
    6,398.06x = 8,832.06 × 4,303.40
  4. Step 4: Simplify right side
    6,398.06x = 38,007,842.84
  5. Step 5: Solve for x
    x = 38,007,842.84/6,398.06
  6. Step 6: Final answer
    x = 5,940.53

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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.