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Finding the Fourth Proportional to 17,600.55, 26,385.03 and 13,152.74

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Solution

The fourth proportional to 17,600.55, 26,385.03 and 13,152.74 is: 19,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.55 : 26,385.03 = 13,152.74 : x
  2. Step 2: Convert to fraction form
    17,600.55/26,385.03 = 13,152.74/x
  3. Step 3: Cross multiply
    17,600.55x = 26,385.03 × 13,152.74
  4. Step 4: Simplify right side
    17,600.55x = 347,035,439.48
  5. Step 5: Solve for x
    x = 347,035,439.48/17,600.55
  6. Step 6: Final answer
    x = 19,717.31

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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.