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Finding the Fourth Proportional to 49,503.51, 74,254.11 and 12,063.78

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Solution

The fourth proportional to 49,503.51, 74,254.11 and 12,063.78 is: 18,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.51 : 74,254.11 = 12,063.78 : x
  2. Step 2: Convert to fraction form
    49,503.51/74,254.11 = 12,063.78/x
  3. Step 3: Cross multiply
    49,503.51x = 74,254.11 × 12,063.78
  4. Step 4: Simplify right side
    49,503.51x = 895,785,247.14
  5. Step 5: Solve for x
    x = 895,785,247.14/49,503.51
  6. Step 6: Final answer
    x = 18,095.39

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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.