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Finding the Fourth Proportional to 46,469.60, 69,704.40 and 15,300.80

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Solution

The fourth proportional to 46,469.60, 69,704.40 and 15,300.80 is: 22,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,469.60 : 69,704.40 = 15,300.80 : x
  2. Step 2: Convert to fraction form
    46,469.60/69,704.40 = 15,300.80/x
  3. Step 3: Cross multiply
    46,469.60x = 69,704.40 × 15,300.80
  4. Step 4: Simplify right side
    46,469.60x = 1,066,533,083.52
  5. Step 5: Solve for x
    x = 1,066,533,083.52/46,469.60
  6. Step 6: Final answer
    x = 22,951.20

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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.