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Finding the Fourth Proportional to 19,251.56, 26,573.56 and 11,290.88

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Solution

The fourth proportional to 19,251.56, 26,573.56 and 11,290.88 is: 15,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.56 : 26,573.56 = 11,290.88 : x
  2. Step 2: Convert to fraction form
    19,251.56/26,573.56 = 11,290.88/x
  3. Step 3: Cross multiply
    19,251.56x = 26,573.56 × 11,290.88
  4. Step 4: Simplify right side
    19,251.56x = 300,038,877.13
  5. Step 5: Solve for x
    x = 300,038,877.13/19,251.56
  6. Step 6: Final answer
    x = 15,585.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.