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Finding the Fourth Proportional to 29,208, 40,300.44 and 17,271.84

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Solution

The fourth proportional to 29,208, 40,300.44 and 17,271.84 is: 23,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208 : 40,300.44 = 17,271.84 : x
  2. Step 2: Convert to fraction form
    29,208/40,300.44 = 17,271.84/x
  3. Step 3: Cross multiply
    29,208x = 40,300.44 × 17,271.84
  4. Step 4: Simplify right side
    29,208x = 696,062,751.61
  5. Step 5: Solve for x
    x = 696,062,751.61/29,208
  6. Step 6: Final answer
    x = 23,831.24

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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.