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Finding the Fourth Proportional to 12,797.59, 19,184.56 and 11,746.80

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Solution

The fourth proportional to 12,797.59, 19,184.56 and 11,746.80 is: 17,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.59 : 19,184.56 = 11,746.80 : x
  2. Step 2: Convert to fraction form
    12,797.59/19,184.56 = 11,746.80/x
  3. Step 3: Cross multiply
    12,797.59x = 19,184.56 × 11,746.80
  4. Step 4: Simplify right side
    12,797.59x = 225,357,189.41
  5. Step 5: Solve for x
    x = 225,357,189.41/12,797.59
  6. Step 6: Final answer
    x = 17,609.35

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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.