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Finding the Fourth Proportional to 7,390.08, 10,200.06 and 4,248.09

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Solution

The fourth proportional to 7,390.08, 10,200.06 and 4,248.09 is: 5,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.08 : 10,200.06 = 4,248.09 : x
  2. Step 2: Convert to fraction form
    7,390.08/10,200.06 = 4,248.09/x
  3. Step 3: Cross multiply
    7,390.08x = 10,200.06 × 4,248.09
  4. Step 4: Simplify right side
    7,390.08x = 43,330,772.89
  5. Step 5: Solve for x
    x = 43,330,772.89/7,390.08
  6. Step 6: Final answer
    x = 5,863.37

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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.