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Finding the Fourth Proportional to 45,843.42, 68,765.73 and 14,678.67

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Solution

The fourth proportional to 45,843.42, 68,765.73 and 14,678.67 is: 22,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.42 : 68,765.73 = 14,678.67 : x
  2. Step 2: Convert to fraction form
    45,843.42/68,765.73 = 14,678.67/x
  3. Step 3: Cross multiply
    45,843.42x = 68,765.73 × 14,678.67
  4. Step 4: Simplify right side
    45,843.42x = 1,009,389,114.15
  5. Step 5: Solve for x
    x = 1,009,389,114.15/45,843.42
  6. Step 6: Final answer
    x = 22,018.19

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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.