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Finding the Fourth Proportional to 65,978.54, 98,966.43 and 16,058.92

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Solution

The fourth proportional to 65,978.54, 98,966.43 and 16,058.92 is: 24,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,978.54 : 98,966.43 = 16,058.92 : x
  2. Step 2: Convert to fraction form
    65,978.54/98,966.43 = 16,058.92/x
  3. Step 3: Cross multiply
    65,978.54x = 98,966.43 × 16,058.92
  4. Step 4: Simplify right side
    65,978.54x = 1,589,293,674.42
  5. Step 5: Solve for x
    x = 1,589,293,674.42/65,978.54
  6. Step 6: Final answer
    x = 24,088.04

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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.