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Finding the Fourth Proportional to 65,490.46, 98,253.74 and 26,075.25

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Solution

The fourth proportional to 65,490.46, 98,253.74 and 26,075.25 is: 39,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,490.46 : 98,253.74 = 26,075.25 : x
  2. Step 2: Convert to fraction form
    65,490.46/98,253.74 = 26,075.25/x
  3. Step 3: Cross multiply
    65,490.46x = 98,253.74 × 26,075.25
  4. Step 4: Simplify right side
    65,490.46x = 2,561,990,899.12
  5. Step 5: Solve for x
    x = 2,561,990,899.12/65,490.46
  6. Step 6: Final answer
    x = 39,120.06

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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.