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Finding the Fourth Proportional to 45,849.69, 68,774.53 and 30,263.67

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Solution

The fourth proportional to 45,849.69, 68,774.53 and 30,263.67 is: 45,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.69 : 68,774.53 = 30,263.67 : x
  2. Step 2: Convert to fraction form
    45,849.69/68,774.53 = 30,263.67/x
  3. Step 3: Cross multiply
    45,849.69x = 68,774.53 × 30,263.67
  4. Step 4: Simplify right side
    45,849.69x = 2,081,369,336.45
  5. Step 5: Solve for x
    x = 2,081,369,336.45/45,849.69
  6. Step 6: Final answer
    x = 45,395.50

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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.