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Finding the Fourth Proportional to 23,935.71, 33,030.70 and 13,325.12

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Solution

The fourth proportional to 23,935.71, 33,030.70 and 13,325.12 is: 18,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,935.71 : 33,030.70 = 13,325.12 : x
  2. Step 2: Convert to fraction form
    23,935.71/33,030.70 = 13,325.12/x
  3. Step 3: Cross multiply
    23,935.71x = 33,030.70 × 13,325.12
  4. Step 4: Simplify right side
    23,935.71x = 440,138,041.18
  5. Step 5: Solve for x
    x = 440,138,041.18/23,935.71
  6. Step 6: Final answer
    x = 18,388.34

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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.