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Finding the Fourth Proportional to 65,458.96, 98,186.48 and 18,076.94

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Solution

The fourth proportional to 65,458.96, 98,186.48 and 18,076.94 is: 27,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,458.96 : 98,186.48 = 18,076.94 : x
  2. Step 2: Convert to fraction form
    65,458.96/98,186.48 = 18,076.94/x
  3. Step 3: Cross multiply
    65,458.96x = 98,186.48 × 18,076.94
  4. Step 4: Simplify right side
    65,458.96x = 1,774,911,107.77
  5. Step 5: Solve for x
    x = 1,774,911,107.77/65,458.96
  6. Step 6: Final answer
    x = 27,114.87

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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.