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Finding the Fourth Proportional to 17,370, 26,055.72 and 5,058

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Solution

The fourth proportional to 17,370, 26,055.72 and 5,058 is: 7,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370 : 26,055.72 = 5,058 : x
  2. Step 2: Convert to fraction form
    17,370/26,055.72 = 5,058/x
  3. Step 3: Cross multiply
    17,370x = 26,055.72 × 5,058
  4. Step 4: Simplify right side
    17,370x = 131,789,831.76
  5. Step 5: Solve for x
    x = 131,789,831.76/17,370
  6. Step 6: Final answer
    x = 7,587.21

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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.