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Finding the Fourth Proportional to 35,153.76, 48,512.88 and 19,238.40

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Solution

The fourth proportional to 35,153.76, 48,512.88 and 19,238.40 is: 26,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153.76 : 48,512.88 = 19,238.40 : x
  2. Step 2: Convert to fraction form
    35,153.76/48,512.88 = 19,238.40/x
  3. Step 3: Cross multiply
    35,153.76x = 48,512.88 × 19,238.40
  4. Step 4: Simplify right side
    35,153.76x = 933,310,190.59
  5. Step 5: Solve for x
    x = 933,310,190.59/35,153.76
  6. Step 6: Final answer
    x = 26,549.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.