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Finding the Fourth Proportional to 62,438.92, 93,435.90 and 50,038.60

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Solution

The fourth proportional to 62,438.92, 93,435.90 and 50,038.60 is: 74,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,438.92 : 93,435.90 = 50,038.60 : x
  2. Step 2: Convert to fraction form
    62,438.92/93,435.90 = 50,038.60/x
  3. Step 3: Cross multiply
    62,438.92x = 93,435.90 × 50,038.60
  4. Step 4: Simplify right side
    62,438.92x = 4,675,401,625.74
  5. Step 5: Solve for x
    x = 4,675,401,625.74/62,438.92
  6. Step 6: Final answer
    x = 74,879.60

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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.