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Finding the Fourth Proportional to 20,074.83, 30,114.29 and 6,927.16

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Solution

The fourth proportional to 20,074.83, 30,114.29 and 6,927.16 is: 10,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.83 : 30,114.29 = 6,927.16 : x
  2. Step 2: Convert to fraction form
    20,074.83/30,114.29 = 6,927.16/x
  3. Step 3: Cross multiply
    20,074.83x = 30,114.29 × 6,927.16
  4. Step 4: Simplify right side
    20,074.83x = 208,606,560.08
  5. Step 5: Solve for x
    x = 208,606,560.08/20,074.83
  6. Step 6: Final answer
    x = 10,391.45

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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.