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Finding the Fourth Proportional to 65,406.77, 98,121.09 and 25,964.23

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Solution

The fourth proportional to 65,406.77, 98,121.09 and 25,964.23 is: 38,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406.77 : 98,121.09 = 25,964.23 : x
  2. Step 2: Convert to fraction form
    65,406.77/98,121.09 = 25,964.23/x
  3. Step 3: Cross multiply
    65,406.77x = 98,121.09 × 25,964.23
  4. Step 4: Simplify right side
    65,406.77x = 2,547,638,058.01
  5. Step 5: Solve for x
    x = 2,547,638,058.01/65,406.77
  6. Step 6: Final answer
    x = 38,950.68

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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.