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Finding the Fourth Proportional to 43,364.57, 65,000.22 and 28,366.00

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Solution

The fourth proportional to 43,364.57, 65,000.22 and 28,366.00 is: 42,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,364.57 : 65,000.22 = 28,366.00 : x
  2. Step 2: Convert to fraction form
    43,364.57/65,000.22 = 28,366.00/x
  3. Step 3: Cross multiply
    43,364.57x = 65,000.22 × 28,366.00
  4. Step 4: Simplify right side
    43,364.57x = 1,843,796,131.21
  5. Step 5: Solve for x
    x = 1,843,796,131.21/43,364.57
  6. Step 6: Final answer
    x = 42,518.50

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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.