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Finding the Fourth Proportional to 53,662.68, 80,462.82 and 35,913.60

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Solution

The fourth proportional to 53,662.68, 80,462.82 and 35,913.60 is: 53,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.68 : 80,462.82 = 35,913.60 : x
  2. Step 2: Convert to fraction form
    53,662.68/80,462.82 = 35,913.60/x
  3. Step 3: Cross multiply
    53,662.68x = 80,462.82 × 35,913.60
  4. Step 4: Simplify right side
    53,662.68x = 2,889,709,532.35
  5. Step 5: Solve for x
    x = 2,889,709,532.35/53,662.68
  6. Step 6: Final answer
    x = 53,849.52

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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.