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Finding the Fourth Proportional to 35,506.78, 48,999.63 and 19,591.18

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Solution

The fourth proportional to 35,506.78, 48,999.63 and 19,591.18 is: 27,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,506.78 : 48,999.63 = 19,591.18 : x
  2. Step 2: Convert to fraction form
    35,506.78/48,999.63 = 19,591.18/x
  3. Step 3: Cross multiply
    35,506.78x = 48,999.63 × 19,591.18
  4. Step 4: Simplify right side
    35,506.78x = 959,960,571.26
  5. Step 5: Solve for x
    x = 959,960,571.26/35,506.78
  6. Step 6: Final answer
    x = 27,035.98

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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.