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Finding the Fourth Proportional to 76,000.70, 114,000.93 and 20,596.70

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Solution

The fourth proportional to 76,000.70, 114,000.93 and 20,596.70 is: 30,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.70 : 114,000.93 = 20,596.70 : x
  2. Step 2: Convert to fraction form
    76,000.70/114,000.93 = 20,596.70/x
  3. Step 3: Cross multiply
    76,000.70x = 114,000.93 × 20,596.70
  4. Step 4: Simplify right side
    76,000.70x = 2,348,042,954.93
  5. Step 5: Solve for x
    x = 2,348,042,954.93/76,000.70
  6. Step 6: Final answer
    x = 30,895.02

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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.