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Finding the Fourth Proportional to 19,089.00, 28,626.64 and 6,605.63

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Solution

The fourth proportional to 19,089.00, 28,626.64 and 6,605.63 is: 9,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.00 : 28,626.64 = 6,605.63 : x
  2. Step 2: Convert to fraction form
    19,089.00/28,626.64 = 6,605.63/x
  3. Step 3: Cross multiply
    19,089.00x = 28,626.64 × 6,605.63
  4. Step 4: Simplify right side
    19,089.00x = 189,097,030.52
  5. Step 5: Solve for x
    x = 189,097,030.52/19,089.00
  6. Step 6: Final answer
    x = 9,906.07

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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.