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Finding the Fourth Proportional to 15,055.45, 22,603.86 and 7,664.87

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Solution

The fourth proportional to 15,055.45, 22,603.86 and 7,664.87 is: 11,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.45 : 22,603.86 = 7,664.87 : x
  2. Step 2: Convert to fraction form
    15,055.45/22,603.86 = 7,664.87/x
  3. Step 3: Cross multiply
    15,055.45x = 22,603.86 × 7,664.87
  4. Step 4: Simplify right side
    15,055.45x = 173,255,704.91
  5. Step 5: Solve for x
    x = 173,255,704.91/15,055.45
  6. Step 6: Final answer
    x = 11,507.84

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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.