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Finding the Fourth Proportional to 65,846.40, 98,767.20 and 26,392.80

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Solution

The fourth proportional to 65,846.40, 98,767.20 and 26,392.80 is: 39,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.40 : 98,767.20 = 26,392.80 : x
  2. Step 2: Convert to fraction form
    65,846.40/98,767.20 = 26,392.80/x
  3. Step 3: Cross multiply
    65,846.40x = 98,767.20 × 26,392.80
  4. Step 4: Simplify right side
    65,846.40x = 2,606,742,956.16
  5. Step 5: Solve for x
    x = 2,606,742,956.16/65,846.40
  6. Step 6: Final answer
    x = 39,588.24

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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.