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Finding the Fourth Proportional to 84,693.89, 127,046.97 and 25,534.16

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Solution

The fourth proportional to 84,693.89, 127,046.97 and 25,534.16 is: 38,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693.89 : 127,046.97 = 25,534.16 : x
  2. Step 2: Convert to fraction form
    84,693.89/127,046.97 = 25,534.16/x
  3. Step 3: Cross multiply
    84,693.89x = 127,046.97 × 25,534.16
  4. Step 4: Simplify right side
    84,693.89x = 3,244,037,024.26
  5. Step 5: Solve for x
    x = 3,244,037,024.26/84,693.89
  6. Step 6: Final answer
    x = 38,303.08

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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.