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Finding the Fourth Proportional to 49,313.70, 73,970.55 and 23,021.10

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Solution

The fourth proportional to 49,313.70, 73,970.55 and 23,021.10 is: 34,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,313.70 : 73,970.55 = 23,021.10 : x
  2. Step 2: Convert to fraction form
    49,313.70/73,970.55 = 23,021.10/x
  3. Step 3: Cross multiply
    49,313.70x = 73,970.55 × 23,021.10
  4. Step 4: Simplify right side
    49,313.70x = 1,702,883,428.61
  5. Step 5: Solve for x
    x = 1,702,883,428.61/49,313.70
  6. Step 6: Final answer
    x = 34,531.65

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Similar ratio
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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.