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Finding the Fourth Proportional to 19,189.95, 28,785.95 and 6,043.34

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Solution

The fourth proportional to 19,189.95, 28,785.95 and 6,043.34 is: 9,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.95 : 28,785.95 = 6,043.34 : x
  2. Step 2: Convert to fraction form
    19,189.95/28,785.95 = 6,043.34/x
  3. Step 3: Cross multiply
    19,189.95x = 28,785.95 × 6,043.34
  4. Step 4: Simplify right side
    19,189.95x = 173,963,252.86
  5. Step 5: Solve for x
    x = 173,963,252.86/19,189.95
  6. Step 6: Final answer
    x = 9,065.33

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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.