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Finding the Fourth Proportional to 19,158.55, 28,733.27 and 6,009.21

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Solution

The fourth proportional to 19,158.55, 28,733.27 and 6,009.21 is: 9,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.55 : 28,733.27 = 6,009.21 : x
  2. Step 2: Convert to fraction form
    19,158.55/28,733.27 = 6,009.21/x
  3. Step 3: Cross multiply
    19,158.55x = 28,733.27 × 6,009.21
  4. Step 4: Simplify right side
    19,158.55x = 172,664,223.37
  5. Step 5: Solve for x
    x = 172,664,223.37/19,158.55
  6. Step 6: Final answer
    x = 9,012.39

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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.