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Finding the Fourth Proportional to 60,396.90, 90,597.23 and 28,810.38

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Solution

The fourth proportional to 60,396.90, 90,597.23 and 28,810.38 is: 43,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,396.90 : 90,597.23 = 28,810.38 : x
  2. Step 2: Convert to fraction form
    60,396.90/90,597.23 = 28,810.38/x
  3. Step 3: Cross multiply
    60,396.90x = 90,597.23 × 28,810.38
  4. Step 4: Simplify right side
    60,396.90x = 2,610,140,623.25
  5. Step 5: Solve for x
    x = 2,610,140,623.25/60,396.90
  6. Step 6: Final answer
    x = 43,216.47

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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.