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Finding the Fourth Proportional to 6,129.94, 8,461.24 and 3,479.10

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Solution

The fourth proportional to 6,129.94, 8,461.24 and 3,479.10 is: 4,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.94 : 8,461.24 = 3,479.10 : x
  2. Step 2: Convert to fraction form
    6,129.94/8,461.24 = 3,479.10/x
  3. Step 3: Cross multiply
    6,129.94x = 8,461.24 × 3,479.10
  4. Step 4: Simplify right side
    6,129.94x = 29,437,500.08
  5. Step 5: Solve for x
    x = 29,437,500.08/6,129.94
  6. Step 6: Final answer
    x = 4,802.25

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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.