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Finding the Fourth Proportional to 65,873.66, 98,828.88 and 26,458.45

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Solution

The fourth proportional to 65,873.66, 98,828.88 and 26,458.45 is: 39,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873.66 : 98,828.88 = 26,458.45 : x
  2. Step 2: Convert to fraction form
    65,873.66/98,828.88 = 26,458.45/x
  3. Step 3: Cross multiply
    65,873.66x = 98,828.88 × 26,458.45
  4. Step 4: Simplify right side
    65,873.66x = 2,614,858,633.74
  5. Step 5: Solve for x
    x = 2,614,858,633.74/65,873.66
  6. Step 6: Final answer
    x = 39,695.06

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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.