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Finding the Fourth Proportional to 35,938.60, 53,907.90 and 22,751.80

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Solution

The fourth proportional to 35,938.60, 53,907.90 and 22,751.80 is: 34,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.60 : 53,907.90 = 22,751.80 : x
  2. Step 2: Convert to fraction form
    35,938.60/53,907.90 = 22,751.80/x
  3. Step 3: Cross multiply
    35,938.60x = 53,907.90 × 22,751.80
  4. Step 4: Simplify right side
    35,938.60x = 1,226,501,759.22
  5. Step 5: Solve for x
    x = 1,226,501,759.22/35,938.60
  6. Step 6: Final answer
    x = 34,127.70

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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.