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Finding the Fourth Proportional to 65,859.40, 98,837.70 and 26,444.80

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Solution

The fourth proportional to 65,859.40, 98,837.70 and 26,444.80 is: 39,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,859.40 : 98,837.70 = 26,444.80 : x
  2. Step 2: Convert to fraction form
    65,859.40/98,837.70 = 26,444.80/x
  3. Step 3: Cross multiply
    65,859.40x = 98,837.70 × 26,444.80
  4. Step 4: Simplify right side
    65,859.40x = 2,613,743,208.96
  5. Step 5: Solve for x
    x = 2,613,743,208.96/65,859.40
  6. Step 6: Final answer
    x = 39,686.71

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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.