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Finding the Fourth Proportional to 17,957.06, 26,939.88 and 9,050.51

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Solution

The fourth proportional to 17,957.06, 26,939.88 and 9,050.51 is: 13,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.06 : 26,939.88 = 9,050.51 : x
  2. Step 2: Convert to fraction form
    17,957.06/26,939.88 = 9,050.51/x
  3. Step 3: Cross multiply
    17,957.06x = 26,939.88 × 9,050.51
  4. Step 4: Simplify right side
    17,957.06x = 243,819,653.34
  5. Step 5: Solve for x
    x = 243,819,653.34/17,957.06
  6. Step 6: Final answer
    x = 13,577.93

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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.