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Finding the Fourth Proportional to 56,695.55, 85,048.11 and 17,253

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Solution

The fourth proportional to 56,695.55, 85,048.11 and 17,253 is: 25,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.55 : 85,048.11 = 17,253 : x
  2. Step 2: Convert to fraction form
    56,695.55/85,048.11 = 17,253/x
  3. Step 3: Cross multiply
    56,695.55x = 85,048.11 × 17,253
  4. Step 4: Simplify right side
    56,695.55x = 1,467,335,041.83
  5. Step 5: Solve for x
    x = 1,467,335,041.83/56,695.55
  6. Step 6: Final answer
    x = 25,880.96

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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.