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Finding the Fourth Proportional to 35,503.31, 53,273.19 and 17,973.60

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Solution

The fourth proportional to 35,503.31, 53,273.19 and 17,973.60 is: 26,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.31 : 53,273.19 = 17,973.60 : x
  2. Step 2: Convert to fraction form
    35,503.31/53,273.19 = 17,973.60/x
  3. Step 3: Cross multiply
    35,503.31x = 53,273.19 × 17,973.60
  4. Step 4: Simplify right side
    35,503.31x = 957,510,875.41
  5. Step 5: Solve for x
    x = 957,510,875.41/35,503.31
  6. Step 6: Final answer
    x = 26,969.62

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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.