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Finding the Fourth Proportional to 84,937.02, 127,405.53 and 25,773

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Solution

The fourth proportional to 84,937.02, 127,405.53 and 25,773 is: 38,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,937.02 : 127,405.53 = 25,773 : x
  2. Step 2: Convert to fraction form
    84,937.02/127,405.53 = 25,773/x
  3. Step 3: Cross multiply
    84,937.02x = 127,405.53 × 25,773
  4. Step 4: Simplify right side
    84,937.02x = 3,283,622,724.69
  5. Step 5: Solve for x
    x = 3,283,622,724.69/84,937.02
  6. Step 6: Final answer
    x = 38,659.50

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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.