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Finding the Fourth Proportional to 31,606.48, 43,613.22 and 17,458.48

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Solution

The fourth proportional to 31,606.48, 43,613.22 and 17,458.48 is: 24,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.48 : 43,613.22 = 17,458.48 : x
  2. Step 2: Convert to fraction form
    31,606.48/43,613.22 = 17,458.48/x
  3. Step 3: Cross multiply
    31,606.48x = 43,613.22 × 17,458.48
  4. Step 4: Simplify right side
    31,606.48x = 761,420,420.07
  5. Step 5: Solve for x
    x = 761,420,420.07/31,606.48
  6. Step 6: Final answer
    x = 24,090.64

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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.