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Finding the Fourth Proportional to 23,472.50, 32,392.05 and 13,536.50

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Solution

The fourth proportional to 23,472.50, 32,392.05 and 13,536.50 is: 18,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,472.50 : 32,392.05 = 13,536.50 : x
  2. Step 2: Convert to fraction form
    23,472.50/32,392.05 = 13,536.50/x
  3. Step 3: Cross multiply
    23,472.50x = 32,392.05 × 13,536.50
  4. Step 4: Simplify right side
    23,472.50x = 438,474,984.83
  5. Step 5: Solve for x
    x = 438,474,984.83/23,472.50
  6. Step 6: Final answer
    x = 18,680.37

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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.