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Finding the Fourth Proportional to 29,346.39, 40,498.02 and 15,917.64

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Solution

The fourth proportional to 29,346.39, 40,498.02 and 15,917.64 is: 21,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.39 : 40,498.02 = 15,917.64 : x
  2. Step 2: Convert to fraction form
    29,346.39/40,498.02 = 15,917.64/x
  3. Step 3: Cross multiply
    29,346.39x = 40,498.02 × 15,917.64
  4. Step 4: Simplify right side
    29,346.39x = 644,632,903.07
  5. Step 5: Solve for x
    x = 644,632,903.07/29,346.39
  6. Step 6: Final answer
    x = 21,966.34

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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.