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Finding the Fourth Proportional to 65,977.44, 91,048.98 and 35,762.76

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Solution

The fourth proportional to 65,977.44, 91,048.98 and 35,762.76 is: 49,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977.44 : 91,048.98 = 35,762.76 : x
  2. Step 2: Convert to fraction form
    65,977.44/91,048.98 = 35,762.76/x
  3. Step 3: Cross multiply
    65,977.44x = 91,048.98 × 35,762.76
  4. Step 4: Simplify right side
    65,977.44x = 3,256,162,819.98
  5. Step 5: Solve for x
    x = 3,256,162,819.98/65,977.44
  6. Step 6: Final answer
    x = 49,352.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.