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Finding the Fourth Proportional to 27,155.36, 37,478.80 and 16,252.80

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Solution

The fourth proportional to 27,155.36, 37,478.80 and 16,252.80 is: 22,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.36 : 37,478.80 = 16,252.80 : x
  2. Step 2: Convert to fraction form
    27,155.36/37,478.80 = 16,252.80/x
  3. Step 3: Cross multiply
    27,155.36x = 37,478.80 × 16,252.80
  4. Step 4: Simplify right side
    27,155.36x = 609,135,440.64
  5. Step 5: Solve for x
    x = 609,135,440.64/27,155.36
  6. Step 6: Final answer
    x = 22,431.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.