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Finding the Fourth Proportional to 31,703.52, 43,751.10 and 17,556.48

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Solution

The fourth proportional to 31,703.52, 43,751.10 and 17,556.48 is: 24,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.52 : 43,751.10 = 17,556.48 : x
  2. Step 2: Convert to fraction form
    31,703.52/43,751.10 = 17,556.48/x
  3. Step 3: Cross multiply
    31,703.52x = 43,751.10 × 17,556.48
  4. Step 4: Simplify right side
    31,703.52x = 768,115,312.13
  5. Step 5: Solve for x
    x = 768,115,312.13/31,703.52
  6. Step 6: Final answer
    x = 24,228.08

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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.