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Finding the Fourth Proportional to 19,200.89, 26,502.23 and 12,504.89

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Solution

The fourth proportional to 19,200.89, 26,502.23 and 12,504.89 is: 17,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.89 : 26,502.23 = 12,504.89 : x
  2. Step 2: Convert to fraction form
    19,200.89/26,502.23 = 12,504.89/x
  3. Step 3: Cross multiply
    19,200.89x = 26,502.23 × 12,504.89
  4. Step 4: Simplify right side
    19,200.89x = 331,407,369.66
  5. Step 5: Solve for x
    x = 331,407,369.66/19,200.89
  6. Step 6: Final answer
    x = 17,260.00

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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.