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Finding the Fourth Proportional to 19,026.57, 28,548.06 and 7,347.99

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Solution

The fourth proportional to 19,026.57, 28,548.06 and 7,347.99 is: 11,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.57 : 28,548.06 = 7,347.99 : x
  2. Step 2: Convert to fraction form
    19,026.57/28,548.06 = 7,347.99/x
  3. Step 3: Cross multiply
    19,026.57x = 28,548.06 × 7,347.99
  4. Step 4: Simplify right side
    19,026.57x = 209,770,859.40
  5. Step 5: Solve for x
    x = 209,770,859.40/19,026.57
  6. Step 6: Final answer
    x = 11,025.15

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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.