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Finding the Fourth Proportional to 46,710.56, 70,078.80 and 19,704.80

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Solution

The fourth proportional to 46,710.56, 70,078.80 and 19,704.80 is: 29,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,710.56 : 70,078.80 = 19,704.80 : x
  2. Step 2: Convert to fraction form
    46,710.56/70,078.80 = 19,704.80/x
  3. Step 3: Cross multiply
    46,710.56x = 70,078.80 × 19,704.80
  4. Step 4: Simplify right side
    46,710.56x = 1,380,888,738.24
  5. Step 5: Solve for x
    x = 1,380,888,738.24/46,710.56
  6. Step 6: Final answer
    x = 29,562.67

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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.