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Finding the Fourth Proportional to 7,380.02, 10,254.32 and 7,302.98

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Solution

The fourth proportional to 7,380.02, 10,254.32 and 7,302.98 is: 10,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.02 : 10,254.32 = 7,302.98 : x
  2. Step 2: Convert to fraction form
    7,380.02/10,254.32 = 7,302.98/x
  3. Step 3: Cross multiply
    7,380.02x = 10,254.32 × 7,302.98
  4. Step 4: Simplify right side
    7,380.02x = 74,887,093.87
  5. Step 5: Solve for x
    x = 74,887,093.87/7,380.02
  6. Step 6: Final answer
    x = 10,147.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.