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Finding the Fourth Proportional to 6,253.79, 8,626.47 and 4,129.34

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Solution

The fourth proportional to 6,253.79, 8,626.47 and 4,129.34 is: 5,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.79 : 8,626.47 = 4,129.34 : x
  2. Step 2: Convert to fraction form
    6,253.79/8,626.47 = 4,129.34/x
  3. Step 3: Cross multiply
    6,253.79x = 8,626.47 × 4,129.34
  4. Step 4: Simplify right side
    6,253.79x = 35,621,627.63
  5. Step 5: Solve for x
    x = 35,621,627.63/6,253.79
  6. Step 6: Final answer
    x = 5,696.01

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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.