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Finding the Fourth Proportional to 35,505.76, 53,219.76 and 17,951.44

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Solution

The fourth proportional to 35,505.76, 53,219.76 and 17,951.44 is: 26,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.76 : 53,219.76 = 17,951.44 : x
  2. Step 2: Convert to fraction form
    35,505.76/53,219.76 = 17,951.44/x
  3. Step 3: Cross multiply
    35,505.76x = 53,219.76 × 17,951.44
  4. Step 4: Simplify right side
    35,505.76x = 955,371,328.45
  5. Step 5: Solve for x
    x = 955,371,328.45/35,505.76
  6. Step 6: Final answer
    x = 26,907.50

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1.5x scale

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.