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Finding the Fourth Proportional to 29,298.51, 40,431.71 and 17,367.51

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Solution

The fourth proportional to 29,298.51, 40,431.71 and 17,367.51 is: 23,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,298.51 : 40,431.71 = 17,367.51 : x
  2. Step 2: Convert to fraction form
    29,298.51/40,431.71 = 17,367.51/x
  3. Step 3: Cross multiply
    29,298.51x = 40,431.71 × 17,367.51
  4. Step 4: Simplify right side
    29,298.51x = 702,198,225.09
  5. Step 5: Solve for x
    x = 702,198,225.09/29,298.51
  6. Step 6: Final answer
    x = 23,967.03

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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.