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Finding the Fourth Proportional to 17,740.51, 24,480.03 and 9,782.26

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Solution

The fourth proportional to 17,740.51, 24,480.03 and 9,782.26 is: 13,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.51 : 24,480.03 = 9,782.26 : x
  2. Step 2: Convert to fraction form
    17,740.51/24,480.03 = 9,782.26/x
  3. Step 3: Cross multiply
    17,740.51x = 24,480.03 × 9,782.26
  4. Step 4: Simplify right side
    17,740.51x = 239,470,018.27
  5. Step 5: Solve for x
    x = 239,470,018.27/17,740.51
  6. Step 6: Final answer
    x = 13,498.49

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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.