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Finding the Fourth Proportional to 52,994.70, 73,136.76 and 30,340.80

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Solution

The fourth proportional to 52,994.70, 73,136.76 and 30,340.80 is: 41,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,994.70 : 73,136.76 = 30,340.80 : x
  2. Step 2: Convert to fraction form
    52,994.70/73,136.76 = 30,340.80/x
  3. Step 3: Cross multiply
    52,994.70x = 73,136.76 × 30,340.80
  4. Step 4: Simplify right side
    52,994.70x = 2,219,027,807.81
  5. Step 5: Solve for x
    x = 2,219,027,807.81/52,994.70
  6. Step 6: Final answer
    x = 41,872.64

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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.