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Finding the Fourth Proportional to 76,007, 114,012.12 and 26,086.88

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Solution

The fourth proportional to 76,007, 114,012.12 and 26,086.88 is: 39,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007 : 114,012.12 = 26,086.88 : x
  2. Step 2: Convert to fraction form
    76,007/114,012.12 = 26,086.88/x
  3. Step 3: Cross multiply
    76,007x = 114,012.12 × 26,086.88
  4. Step 4: Simplify right side
    76,007x = 2,974,220,492.99
  5. Step 5: Solve for x
    x = 2,974,220,492.99/76,007
  6. Step 6: Final answer
    x = 39,130.88

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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.