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Finding the Fourth Proportional to 7,903.72, 10,907.08 and 4,367.08

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Solution

The fourth proportional to 7,903.72, 10,907.08 and 4,367.08 is: 6,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.72 : 10,907.08 = 4,367.08 : x
  2. Step 2: Convert to fraction form
    7,903.72/10,907.08 = 4,367.08/x
  3. Step 3: Cross multiply
    7,903.72x = 10,907.08 × 4,367.08
  4. Step 4: Simplify right side
    7,903.72x = 47,632,090.93
  5. Step 5: Solve for x
    x = 47,632,090.93/7,903.72
  6. Step 6: Final answer
    x = 6,026.54

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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.