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Finding the Fourth Proportional to 62,420.99, 93,640.82 and 22,975.10

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Solution

The fourth proportional to 62,420.99, 93,640.82 and 22,975.10 is: 34,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.99 : 93,640.82 = 22,975.10 : x
  2. Step 2: Convert to fraction form
    62,420.99/93,640.82 = 22,975.10/x
  3. Step 3: Cross multiply
    62,420.99x = 93,640.82 × 22,975.10
  4. Step 4: Simplify right side
    62,420.99x = 2,151,406,620.50
  5. Step 5: Solve for x
    x = 2,151,406,620.50/62,420.99
  6. Step 6: Final answer
    x = 34,466.08

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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.