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Finding the Fourth Proportional to 65,870.54, 98,824.29 and 26,455.32

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Solution

The fourth proportional to 65,870.54, 98,824.29 and 26,455.32 is: 39,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,870.54 : 98,824.29 = 26,455.32 : x
  2. Step 2: Convert to fraction form
    65,870.54/98,824.29 = 26,455.32/x
  3. Step 3: Cross multiply
    65,870.54x = 98,824.29 × 26,455.32
  4. Step 4: Simplify right side
    65,870.54x = 2,614,428,215.72
  5. Step 5: Solve for x
    x = 2,614,428,215.72/65,870.54
  6. Step 6: Final answer
    x = 39,690.41

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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.