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Finding the Fourth Proportional to 55,441.67, 76,509.54 and 29,948.04

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Solution

The fourth proportional to 55,441.67, 76,509.54 and 29,948.04 is: 41,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.67 : 76,509.54 = 29,948.04 : x
  2. Step 2: Convert to fraction form
    55,441.67/76,509.54 = 29,948.04/x
  3. Step 3: Cross multiply
    55,441.67x = 76,509.54 × 29,948.04
  4. Step 4: Simplify right side
    55,441.67x = 2,291,310,365.09
  5. Step 5: Solve for x
    x = 2,291,310,365.09/55,441.67
  6. Step 6: Final answer
    x = 41,328.31

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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.