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Finding the Fourth Proportional to 58,969.44, 88,436 and 19,518.40

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Solution

The fourth proportional to 58,969.44, 88,436 and 19,518.40 is: 29,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,969.44 : 88,436 = 19,518.40 : x
  2. Step 2: Convert to fraction form
    58,969.44/88,436 = 19,518.40/x
  3. Step 3: Cross multiply
    58,969.44x = 88,436 × 19,518.40
  4. Step 4: Simplify right side
    58,969.44x = 1,726,129,222.40
  5. Step 5: Solve for x
    x = 1,726,129,222.40/58,969.44
  6. Step 6: Final answer
    x = 29,271.59

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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.