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Finding the Fourth Proportional to 22,693.10, 34,039.65 and 15,694.70

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Solution

The fourth proportional to 22,693.10, 34,039.65 and 15,694.70 is: 23,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.10 : 34,039.65 = 15,694.70 : x
  2. Step 2: Convert to fraction form
    22,693.10/34,039.65 = 15,694.70/x
  3. Step 3: Cross multiply
    22,693.10x = 34,039.65 × 15,694.70
  4. Step 4: Simplify right side
    22,693.10x = 534,242,094.86
  5. Step 5: Solve for x
    x = 534,242,094.86/22,693.10
  6. Step 6: Final answer
    x = 23,542.05

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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.