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Finding the Fourth Proportional to 6,293.49, 8,685.12 and 3,460.99

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Solution

The fourth proportional to 6,293.49, 8,685.12 and 3,460.99 is: 4,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.49 : 8,685.12 = 3,460.99 : x
  2. Step 2: Convert to fraction form
    6,293.49/8,685.12 = 3,460.99/x
  3. Step 3: Cross multiply
    6,293.49x = 8,685.12 × 3,460.99
  4. Step 4: Simplify right side
    6,293.49x = 30,059,113.47
  5. Step 5: Solve for x
    x = 30,059,113.47/6,293.49
  6. Step 6: Final answer
    x = 4,776.22

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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.