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Finding the Fourth Proportional to 56,043.76, 84,065.90 and 16,601.62

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Solution

The fourth proportional to 56,043.76, 84,065.90 and 16,601.62 is: 24,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.76 : 84,065.90 = 16,601.62 : x
  2. Step 2: Convert to fraction form
    56,043.76/84,065.90 = 16,601.62/x
  3. Step 3: Cross multiply
    56,043.76x = 84,065.90 × 16,601.62
  4. Step 4: Simplify right side
    56,043.76x = 1,395,630,126.76
  5. Step 5: Solve for x
    x = 1,395,630,126.76/56,043.76
  6. Step 6: Final answer
    x = 24,902.51

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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.