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Finding the Fourth Proportional to 58,993.40, 88,453.80 and 28,969.46

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Solution

The fourth proportional to 58,993.40, 88,453.80 and 28,969.46 is: 43,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,993.40 : 88,453.80 = 28,969.46 : x
  2. Step 2: Convert to fraction form
    58,993.40/88,453.80 = 28,969.46/x
  3. Step 3: Cross multiply
    58,993.40x = 88,453.80 × 28,969.46
  4. Step 4: Simplify right side
    58,993.40x = 2,562,458,820.95
  5. Step 5: Solve for x
    x = 2,562,458,820.95/58,993.40
  6. Step 6: Final answer
    x = 43,436.36

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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.