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Finding the Fourth Proportional to 53,413.99, 73,662.53 and 45,857.91

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Solution

The fourth proportional to 53,413.99, 73,662.53 and 45,857.91 is: 63,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413.99 : 73,662.53 = 45,857.91 : x
  2. Step 2: Convert to fraction form
    53,413.99/73,662.53 = 45,857.91/x
  3. Step 3: Cross multiply
    53,413.99x = 73,662.53 × 45,857.91
  4. Step 4: Simplify right side
    53,413.99x = 3,378,009,671.11
  5. Step 5: Solve for x
    x = 3,378,009,671.11/53,413.99
  6. Step 6: Final answer
    x = 63,242.04

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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.