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Finding the Fourth Proportional to 57,736.20, 86,604.30 and 35,477.40

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Solution

The fourth proportional to 57,736.20, 86,604.30 and 35,477.40 is: 53,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,736.20 : 86,604.30 = 35,477.40 : x
  2. Step 2: Convert to fraction form
    57,736.20/86,604.30 = 35,477.40/x
  3. Step 3: Cross multiply
    57,736.20x = 86,604.30 × 35,477.40
  4. Step 4: Simplify right side
    57,736.20x = 3,072,495,392.82
  5. Step 5: Solve for x
    x = 3,072,495,392.82/57,736.20
  6. Step 6: Final answer
    x = 53,216.10

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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.