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Finding the Fourth Proportional to 12,607.92, 18,902.62 and 6,038.72

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Solution

The fourth proportional to 12,607.92, 18,902.62 and 6,038.72 is: 9,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.92 : 18,902.62 = 6,038.72 : x
  2. Step 2: Convert to fraction form
    12,607.92/18,902.62 = 6,038.72/x
  3. Step 3: Cross multiply
    12,607.92x = 18,902.62 × 6,038.72
  4. Step 4: Simplify right side
    12,607.92x = 114,147,629.45
  5. Step 5: Solve for x
    x = 114,147,629.45/12,607.92
  6. Step 6: Final answer
    x = 9,053.64

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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.