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Finding the Fourth Proportional to 22,206.70, 31,050.50 and 22,206.70

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Solution

The fourth proportional to 22,206.70, 31,050.50 and 22,206.70 is: 31,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.70 : 31,050.50 = 22,206.70 : x
  2. Step 2: Convert to fraction form
    22,206.70/31,050.50 = 22,206.70/x
  3. Step 3: Cross multiply
    22,206.70x = 31,050.50 × 22,206.70
  4. Step 4: Simplify right side
    22,206.70x = 689,529,138.35
  5. Step 5: Solve for x
    x = 689,529,138.35/22,206.70
  6. Step 6: Final answer
    x = 31,050.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.