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Finding the Fourth Proportional to 18,070.98, 27,106.45 and 7,545.95

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Solution

The fourth proportional to 18,070.98, 27,106.45 and 7,545.95 is: 11,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.98 : 27,106.45 = 7,545.95 : x
  2. Step 2: Convert to fraction form
    18,070.98/27,106.45 = 7,545.95/x
  3. Step 3: Cross multiply
    18,070.98x = 27,106.45 × 7,545.95
  4. Step 4: Simplify right side
    18,070.98x = 204,543,993.58
  5. Step 5: Solve for x
    x = 204,543,993.58/18,070.98
  6. Step 6: Final answer
    x = 11,318.92

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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.