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Finding the Fourth Proportional to 27,468.16, 37,905.72 and 14,892.88

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Solution

The fourth proportional to 27,468.16, 37,905.72 and 14,892.88 is: 20,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.16 : 37,905.72 = 14,892.88 : x
  2. Step 2: Convert to fraction form
    27,468.16/37,905.72 = 14,892.88/x
  3. Step 3: Cross multiply
    27,468.16x = 37,905.72 × 14,892.88
  4. Step 4: Simplify right side
    27,468.16x = 564,525,339.27
  5. Step 5: Solve for x
    x = 564,525,339.27/27,468.16
  6. Step 6: Final answer
    x = 20,551.99

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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.