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Finding the Fourth Proportional to 6,246.95, 8,606.15 and 4,355.09

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Solution

The fourth proportional to 6,246.95, 8,606.15 and 4,355.09 is: 5,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.95 : 8,606.15 = 4,355.09 : x
  2. Step 2: Convert to fraction form
    6,246.95/8,606.15 = 4,355.09/x
  3. Step 3: Cross multiply
    6,246.95x = 8,606.15 × 4,355.09
  4. Step 4: Simplify right side
    6,246.95x = 37,480,541.60
  5. Step 5: Solve for x
    x = 37,480,541.60/6,246.95
  6. Step 6: Final answer
    x = 5,999.82

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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.