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Finding the Fourth Proportional to 19,000.03, 28,499.67 and 5,673

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Solution

The fourth proportional to 19,000.03, 28,499.67 and 5,673 is: 8,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.03 : 28,499.67 = 5,673 : x
  2. Step 2: Convert to fraction form
    19,000.03/28,499.67 = 5,673/x
  3. Step 3: Cross multiply
    19,000.03x = 28,499.67 × 5,673
  4. Step 4: Simplify right side
    19,000.03x = 161,678,627.91
  5. Step 5: Solve for x
    x = 161,678,627.91/19,000.03
  6. Step 6: Final answer
    x = 8,509.39

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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.