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Finding the Fourth Proportional to 65,858.62, 98,784.44 and 18,476.98

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Solution

The fourth proportional to 65,858.62, 98,784.44 and 18,476.98 is: 27,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,858.62 : 98,784.44 = 18,476.98 : x
  2. Step 2: Convert to fraction form
    65,858.62/98,784.44 = 18,476.98/x
  3. Step 3: Cross multiply
    65,858.62x = 98,784.44 × 18,476.98
  4. Step 4: Simplify right side
    65,858.62x = 1,825,238,122.19
  5. Step 5: Solve for x
    x = 1,825,238,122.19/65,858.62
  6. Step 6: Final answer
    x = 27,714.49

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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.