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Finding the Fourth Proportional to 18,415.08, 27,622.80 and 4,564.08

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Solution

The fourth proportional to 18,415.08, 27,622.80 and 4,564.08 is: 6,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.08 : 27,622.80 = 4,564.08 : x
  2. Step 2: Convert to fraction form
    18,415.08/27,622.80 = 4,564.08/x
  3. Step 3: Cross multiply
    18,415.08x = 27,622.80 × 4,564.08
  4. Step 4: Simplify right side
    18,415.08x = 126,072,669.02
  5. Step 5: Solve for x
    x = 126,072,669.02/18,415.08
  6. Step 6: Final answer
    x = 6,846.16

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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.