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Finding the Fourth Proportional to 30,704.40, 46,056.60 and 25,520.40

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Solution

The fourth proportional to 30,704.40, 46,056.60 and 25,520.40 is: 38,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.40 : 46,056.60 = 25,520.40 : x
  2. Step 2: Convert to fraction form
    30,704.40/46,056.60 = 25,520.40/x
  3. Step 3: Cross multiply
    30,704.40x = 46,056.60 × 25,520.40
  4. Step 4: Simplify right side
    30,704.40x = 1,175,382,854.64
  5. Step 5: Solve for x
    x = 1,175,382,854.64/30,704.40
  6. Step 6: Final answer
    x = 38,280.60

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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.