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Finding the Fourth Proportional to 23,629.84, 35,434.92 and 12,953.84

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Solution

The fourth proportional to 23,629.84, 35,434.92 and 12,953.84 is: 19,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,629.84 : 35,434.92 = 12,953.84 : x
  2. Step 2: Convert to fraction form
    23,629.84/35,434.92 = 12,953.84/x
  3. Step 3: Cross multiply
    23,629.84x = 35,434.92 × 12,953.84
  4. Step 4: Simplify right side
    23,629.84x = 459,018,284.09
  5. Step 5: Solve for x
    x = 459,018,284.09/23,629.84
  6. Step 6: Final answer
    x = 19,425.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.