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Finding the Fourth Proportional to 6,300.40, 8,694.84 and 3,506.08

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Solution

The fourth proportional to 6,300.40, 8,694.84 and 3,506.08 is: 4,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.40 : 8,694.84 = 3,506.08 : x
  2. Step 2: Convert to fraction form
    6,300.40/8,694.84 = 3,506.08/x
  3. Step 3: Cross multiply
    6,300.40x = 8,694.84 × 3,506.08
  4. Step 4: Simplify right side
    6,300.40x = 30,484,804.63
  5. Step 5: Solve for x
    x = 30,484,804.63/6,300.40
  6. Step 6: Final answer
    x = 4,838.55

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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.