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Finding the Fourth Proportional to 36,857.69, 55,253.79 and 14,363.16

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Solution

The fourth proportional to 36,857.69, 55,253.79 and 14,363.16 is: 21,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857.69 : 55,253.79 = 14,363.16 : x
  2. Step 2: Convert to fraction form
    36,857.69/55,253.79 = 14,363.16/x
  3. Step 3: Cross multiply
    36,857.69x = 55,253.79 × 14,363.16
  4. Step 4: Simplify right side
    36,857.69x = 793,619,026.38
  5. Step 5: Solve for x
    x = 793,619,026.38/36,857.69
  6. Step 6: Final answer
    x = 21,531.98

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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.