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Finding the Fourth Proportional to 59,604.96, 82,224 and 40,485.72

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Solution

The fourth proportional to 59,604.96, 82,224 and 40,485.72 is: 55,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,604.96 : 82,224 = 40,485.72 : x
  2. Step 2: Convert to fraction form
    59,604.96/82,224 = 40,485.72/x
  3. Step 3: Cross multiply
    59,604.96x = 82,224 × 40,485.72
  4. Step 4: Simplify right side
    59,604.96x = 3,328,897,841.28
  5. Step 5: Solve for x
    x = 3,328,897,841.28/59,604.96
  6. Step 6: Final answer
    x = 55,849.34

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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.