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Finding the Fourth Proportional to 40,955.60, 61,418.04 and 17,570

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Solution

The fourth proportional to 40,955.60, 61,418.04 and 17,570 is: 26,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.60 : 61,418.04 = 17,570 : x
  2. Step 2: Convert to fraction form
    40,955.60/61,418.04 = 17,570/x
  3. Step 3: Cross multiply
    40,955.60x = 61,418.04 × 17,570
  4. Step 4: Simplify right side
    40,955.60x = 1,079,114,962.80
  5. Step 5: Solve for x
    x = 1,079,114,962.80/40,955.60
  6. Step 6: Final answer
    x = 26,348.41

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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.