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Finding the Fourth Proportional to 35,532.60, 53,233.30 and 20,748.60

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Solution

The fourth proportional to 35,532.60, 53,233.30 and 20,748.60 is: 31,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532.60 : 53,233.30 = 20,748.60 : x
  2. Step 2: Convert to fraction form
    35,532.60/53,233.30 = 20,748.60/x
  3. Step 3: Cross multiply
    35,532.60x = 53,233.30 × 20,748.60
  4. Step 4: Simplify right side
    35,532.60x = 1,104,516,448.38
  5. Step 5: Solve for x
    x = 1,104,516,448.38/35,532.60
  6. Step 6: Final answer
    x = 31,084.59

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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.