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Finding the Fourth Proportional to 58,636.89, 87,946.83 and 19,195.56

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Solution

The fourth proportional to 58,636.89, 87,946.83 and 19,195.56 is: 28,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,636.89 : 87,946.83 = 19,195.56 : x
  2. Step 2: Convert to fraction form
    58,636.89/87,946.83 = 19,195.56/x
  3. Step 3: Cross multiply
    58,636.89x = 87,946.83 × 19,195.56
  4. Step 4: Simplify right side
    58,636.89x = 1,688,188,652.07
  5. Step 5: Solve for x
    x = 1,688,188,652.07/58,636.89
  6. Step 6: Final answer
    x = 28,790.56

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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.