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Finding the Fourth Proportional to 7,903.65, 11,855.47 and 2,060.24

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Solution

The fourth proportional to 7,903.65, 11,855.47 and 2,060.24 is: 3,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.65 : 11,855.47 = 2,060.24 : x
  2. Step 2: Convert to fraction form
    7,903.65/11,855.47 = 2,060.24/x
  3. Step 3: Cross multiply
    7,903.65x = 11,855.47 × 2,060.24
  4. Step 4: Simplify right side
    7,903.65x = 24,425,078.72
  5. Step 5: Solve for x
    x = 24,425,078.72/7,903.65
  6. Step 6: Final answer
    x = 3,090.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.