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Finding the Fourth Proportional to 27,402.40, 37,815.33 and 14,827.12

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Solution

The fourth proportional to 27,402.40, 37,815.33 and 14,827.12 is: 20,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.40 : 37,815.33 = 14,827.12 : x
  2. Step 2: Convert to fraction form
    27,402.40/37,815.33 = 14,827.12/x
  3. Step 3: Cross multiply
    27,402.40x = 37,815.33 × 14,827.12
  4. Step 4: Simplify right side
    27,402.40x = 560,692,435.75
  5. Step 5: Solve for x
    x = 560,692,435.75/27,402.40
  6. Step 6: Final answer
    x = 20,461.44

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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.