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Finding the Fourth Proportional to 54,804.99, 75,630.99 and 30,605.83

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Solution

The fourth proportional to 54,804.99, 75,630.99 and 30,605.83 is: 42,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,804.99 : 75,630.99 = 30,605.83 : x
  2. Step 2: Convert to fraction form
    54,804.99/75,630.99 = 30,605.83/x
  3. Step 3: Cross multiply
    54,804.99x = 75,630.99 × 30,605.83
  4. Step 4: Simplify right side
    54,804.99x = 2,314,749,222.67
  5. Step 5: Solve for x
    x = 2,314,749,222.67/54,804.99
  6. Step 6: Final answer
    x = 42,236.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.