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Finding the Fourth Proportional to 32,704.40, 49,043.16 and 12,980.24

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Solution

The fourth proportional to 32,704.40, 49,043.16 and 12,980.24 is: 19,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,704.40 : 49,043.16 = 12,980.24 : x
  2. Step 2: Convert to fraction form
    32,704.40/49,043.16 = 12,980.24/x
  3. Step 3: Cross multiply
    32,704.40x = 49,043.16 × 12,980.24
  4. Step 4: Simplify right side
    32,704.40x = 636,591,987.16
  5. Step 5: Solve for x
    x = 636,591,987.16/32,704.40
  6. Step 6: Final answer
    x = 19,465.03

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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.