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Finding the Fourth Proportional to 17,359, 23,955.30 and 9,401.20

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Solution

The fourth proportional to 17,359, 23,955.30 and 9,401.20 is: 12,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359 : 23,955.30 = 9,401.20 : x
  2. Step 2: Convert to fraction form
    17,359/23,955.30 = 9,401.20/x
  3. Step 3: Cross multiply
    17,359x = 23,955.30 × 9,401.20
  4. Step 4: Simplify right side
    17,359x = 225,208,566.36
  5. Step 5: Solve for x
    x = 225,208,566.36/17,359
  6. Step 6: Final answer
    x = 12,973.59

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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.