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Finding the Fourth Proportional to 27,197.57, 40,788.16 and 10,553.90

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Solution

The fourth proportional to 27,197.57, 40,788.16 and 10,553.90 is: 15,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.57 : 40,788.16 = 10,553.90 : x
  2. Step 2: Convert to fraction form
    27,197.57/40,788.16 = 10,553.90/x
  3. Step 3: Cross multiply
    27,197.57x = 40,788.16 × 10,553.90
  4. Step 4: Simplify right side
    27,197.57x = 430,473,931.50
  5. Step 5: Solve for x
    x = 430,473,931.50/27,197.57
  6. Step 6: Final answer
    x = 15,827.66

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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.