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Finding the Fourth Proportional to 12,307.08, 18,460.56 and 3,073.08

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Solution

The fourth proportional to 12,307.08, 18,460.56 and 3,073.08 is: 4,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.08 : 18,460.56 = 3,073.08 : x
  2. Step 2: Convert to fraction form
    12,307.08/18,460.56 = 3,073.08/x
  3. Step 3: Cross multiply
    12,307.08x = 18,460.56 × 3,073.08
  4. Step 4: Simplify right side
    12,307.08x = 56,730,777.72
  5. Step 5: Solve for x
    x = 56,730,777.72/12,307.08
  6. Step 6: Final answer
    x = 4,609.61

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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.