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Finding the Fourth Proportional to 65,980.93, 98,881.08 and 27,998.41

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Solution

The fourth proportional to 65,980.93, 98,881.08 and 27,998.41 is: 41,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.93 : 98,881.08 = 27,998.41 : x
  2. Step 2: Convert to fraction form
    65,980.93/98,881.08 = 27,998.41/x
  3. Step 3: Cross multiply
    65,980.93x = 98,881.08 × 27,998.41
  4. Step 4: Simplify right side
    65,980.93x = 2,768,513,019.08
  5. Step 5: Solve for x
    x = 2,768,513,019.08/65,980.93
  6. Step 6: Final answer
    x = 41,959.29

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1.5x scale

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.