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Finding the Fourth Proportional to 84,750.03, 127,121.40 and 25,583.94

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Solution

The fourth proportional to 84,750.03, 127,121.40 and 25,583.94 is: 38,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,750.03 : 127,121.40 = 25,583.94 : x
  2. Step 2: Convert to fraction form
    84,750.03/127,121.40 = 25,583.94/x
  3. Step 3: Cross multiply
    84,750.03x = 127,121.40 × 25,583.94
  4. Step 4: Simplify right side
    84,750.03x = 3,252,266,270.32
  5. Step 5: Solve for x
    x = 3,252,266,270.32/84,750.03
  6. Step 6: Final answer
    x = 38,374.81

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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.