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Finding the Fourth Proportional to 65,412.63, 98,133.57 and 23,859.63

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Solution

The fourth proportional to 65,412.63, 98,133.57 and 23,859.63 is: 35,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412.63 : 98,133.57 = 23,859.63 : x
  2. Step 2: Convert to fraction form
    65,412.63/98,133.57 = 23,859.63/x
  3. Step 3: Cross multiply
    65,412.63x = 98,133.57 × 23,859.63
  4. Step 4: Simplify right side
    65,412.63x = 2,341,430,670.78
  5. Step 5: Solve for x
    x = 2,341,430,670.78/65,412.63
  6. Step 6: Final answer
    x = 35,794.78

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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.