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Finding the Fourth Proportional to 13,048.88, 19,573.26 and 3,688.88

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Solution

The fourth proportional to 13,048.88, 19,573.26 and 3,688.88 is: 5,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.88 : 19,573.26 = 3,688.88 : x
  2. Step 2: Convert to fraction form
    13,048.88/19,573.26 = 3,688.88/x
  3. Step 3: Cross multiply
    13,048.88x = 19,573.26 × 3,688.88
  4. Step 4: Simplify right side
    13,048.88x = 72,203,407.35
  5. Step 5: Solve for x
    x = 72,203,407.35/13,048.88
  6. Step 6: Final answer
    x = 5,533.30

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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.