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Finding the Fourth Proportional to 55,003.76, 75,765.87 and 46,047.99

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Solution

The fourth proportional to 55,003.76, 75,765.87 and 46,047.99 is: 63,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.76 : 75,765.87 = 46,047.99 : x
  2. Step 2: Convert to fraction form
    55,003.76/75,765.87 = 46,047.99/x
  3. Step 3: Cross multiply
    55,003.76x = 75,765.87 × 46,047.99
  4. Step 4: Simplify right side
    55,003.76x = 3,488,866,024.10
  5. Step 5: Solve for x
    x = 3,488,866,024.10/55,003.76
  6. Step 6: Final answer
    x = 63,429.60

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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.