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Finding the Fourth Proportional to 12,348.37, 17,040.41 and 7,043.07

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Solution

The fourth proportional to 12,348.37, 17,040.41 and 7,043.07 is: 9,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.37 : 17,040.41 = 7,043.07 : x
  2. Step 2: Convert to fraction form
    12,348.37/17,040.41 = 7,043.07/x
  3. Step 3: Cross multiply
    12,348.37x = 17,040.41 × 7,043.07
  4. Step 4: Simplify right side
    12,348.37x = 120,016,800.46
  5. Step 5: Solve for x
    x = 120,016,800.46/12,348.37
  6. Step 6: Final answer
    x = 9,719.25

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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.