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Finding the Fourth Proportional to 47,073.17, 70,619.48 and 13,794.32

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Solution

The fourth proportional to 47,073.17, 70,619.48 and 13,794.32 is: 20,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,073.17 : 70,619.48 = 13,794.32 : x
  2. Step 2: Convert to fraction form
    47,073.17/70,619.48 = 13,794.32/x
  3. Step 3: Cross multiply
    47,073.17x = 70,619.48 × 13,794.32
  4. Step 4: Simplify right side
    47,073.17x = 974,147,705.35
  5. Step 5: Solve for x
    x = 974,147,705.35/47,073.17
  6. Step 6: Final answer
    x = 20,694.33

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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.