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Finding the Fourth Proportional to 27,197.20, 40,795.80 and 23,916.70

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Solution

The fourth proportional to 27,197.20, 40,795.80 and 23,916.70 is: 35,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.20 : 40,795.80 = 23,916.70 : x
  2. Step 2: Convert to fraction form
    27,197.20/40,795.80 = 23,916.70/x
  3. Step 3: Cross multiply
    27,197.20x = 40,795.80 × 23,916.70
  4. Step 4: Simplify right side
    27,197.20x = 975,700,909.86
  5. Step 5: Solve for x
    x = 975,700,909.86/27,197.20
  6. Step 6: Final answer
    x = 35,875.05

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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.