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Finding the Fourth Proportional to 51,806.70, 77,671.65 and 22,200.30

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Solution

The fourth proportional to 51,806.70, 77,671.65 and 22,200.30 is: 33,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.70 : 77,671.65 = 22,200.30 : x
  2. Step 2: Convert to fraction form
    51,806.70/77,671.65 = 22,200.30/x
  3. Step 3: Cross multiply
    51,806.70x = 77,671.65 × 22,200.30
  4. Step 4: Simplify right side
    51,806.70x = 1,724,333,931.50
  5. Step 5: Solve for x
    x = 1,724,333,931.50/51,806.70
  6. Step 6: Final answer
    x = 33,283.99

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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.