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Finding the Fourth Proportional to 59,402.70, 81,967.95 and 35,520.66

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Solution

The fourth proportional to 59,402.70, 81,967.95 and 35,520.66 is: 49,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,402.70 : 81,967.95 = 35,520.66 : x
  2. Step 2: Convert to fraction form
    59,402.70/81,967.95 = 35,520.66/x
  3. Step 3: Cross multiply
    59,402.70x = 81,967.95 × 35,520.66
  4. Step 4: Simplify right side
    59,402.70x = 2,911,555,682.85
  5. Step 5: Solve for x
    x = 2,911,555,682.85/59,402.70
  6. Step 6: Final answer
    x = 49,013.86

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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.