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Finding the Fourth Proportional to 7,903.64, 10,907.80 and 4,367.10

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Solution

The fourth proportional to 7,903.64, 10,907.80 and 4,367.10 is: 6,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.64 : 10,907.80 = 4,367.10 : x
  2. Step 2: Convert to fraction form
    7,903.64/10,907.80 = 4,367.10/x
  3. Step 3: Cross multiply
    7,903.64x = 10,907.80 × 4,367.10
  4. Step 4: Simplify right side
    7,903.64x = 47,635,453.38
  5. Step 5: Solve for x
    x = 47,635,453.38/7,903.64
  6. Step 6: Final answer
    x = 6,027.03

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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.