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Finding the Fourth Proportional to 58,907.80, 88,329.30 and 25,622.20

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Solution

The fourth proportional to 58,907.80, 88,329.30 and 25,622.20 is: 38,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.80 : 88,329.30 = 25,622.20 : x
  2. Step 2: Convert to fraction form
    58,907.80/88,329.30 = 25,622.20/x
  3. Step 3: Cross multiply
    58,907.80x = 88,329.30 × 25,622.20
  4. Step 4: Simplify right side
    58,907.80x = 2,263,190,990.46
  5. Step 5: Solve for x
    x = 2,263,190,990.46/58,907.80
  6. Step 6: Final answer
    x = 38,419.21

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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.