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Finding the Fourth Proportional to 19,704.32, 27,195.04 and 19,056.32

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Solution

The fourth proportional to 19,704.32, 27,195.04 and 19,056.32 is: 26,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.32 : 27,195.04 = 19,056.32 : x
  2. Step 2: Convert to fraction form
    19,704.32/27,195.04 = 19,056.32/x
  3. Step 3: Cross multiply
    19,704.32x = 27,195.04 × 19,056.32
  4. Step 4: Simplify right side
    19,704.32x = 518,237,384.65
  5. Step 5: Solve for x
    x = 518,237,384.65/19,704.32
  6. Step 6: Final answer
    x = 26,300.70

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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.