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Finding the Fourth Proportional to 34,892.97, 48,154.26 and 18,977.10

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Solution

The fourth proportional to 34,892.97, 48,154.26 and 18,977.10 is: 26,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.97 : 48,154.26 = 18,977.10 : x
  2. Step 2: Convert to fraction form
    34,892.97/48,154.26 = 18,977.10/x
  3. Step 3: Cross multiply
    34,892.97x = 48,154.26 × 18,977.10
  4. Step 4: Simplify right side
    34,892.97x = 913,828,207.45
  5. Step 5: Solve for x
    x = 913,828,207.45/34,892.97
  6. Step 6: Final answer
    x = 26,189.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.