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Finding the Fourth Proportional to 18,603.92, 27,894.94 and 7,510.98

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Solution

The fourth proportional to 18,603.92, 27,894.94 and 7,510.98 is: 11,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.92 : 27,894.94 = 7,510.98 : x
  2. Step 2: Convert to fraction form
    18,603.92/27,894.94 = 7,510.98/x
  3. Step 3: Cross multiply
    18,603.92x = 27,894.94 × 7,510.98
  4. Step 4: Simplify right side
    18,603.92x = 209,518,336.44
  5. Step 5: Solve for x
    x = 209,518,336.44/18,603.92
  6. Step 6: Final answer
    x = 11,262.05

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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.