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Finding the Fourth Proportional to 19,029.51, 28,544.46 and 8,500.08

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Solution

The fourth proportional to 19,029.51, 28,544.46 and 8,500.08 is: 12,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.51 : 28,544.46 = 8,500.08 : x
  2. Step 2: Convert to fraction form
    19,029.51/28,544.46 = 8,500.08/x
  3. Step 3: Cross multiply
    19,029.51x = 28,544.46 × 8,500.08
  4. Step 4: Simplify right side
    19,029.51x = 242,630,193.56
  5. Step 5: Solve for x
    x = 242,630,193.56/19,029.51
  6. Step 6: Final answer
    x = 12,750.21

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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.