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Finding the Fourth Proportional to 62,428.73, 93,477.01 and 48,783.90

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Solution

The fourth proportional to 62,428.73, 93,477.01 and 48,783.90 is: 73,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,428.73 : 93,477.01 = 48,783.90 : x
  2. Step 2: Convert to fraction form
    62,428.73/93,477.01 = 48,783.90/x
  3. Step 3: Cross multiply
    62,428.73x = 93,477.01 × 48,783.90
  4. Step 4: Simplify right side
    62,428.73x = 4,560,173,108.14
  5. Step 5: Solve for x
    x = 4,560,173,108.14/62,428.73
  6. Step 6: Final answer
    x = 73,046.07

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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.