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Finding the Fourth Proportional to 84,737.39, 127,109.39 and 25,573.07

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Solution

The fourth proportional to 84,737.39, 127,109.39 and 25,573.07 is: 38,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.39 : 127,109.39 = 25,573.07 : x
  2. Step 2: Convert to fraction form
    84,737.39/127,109.39 = 25,573.07/x
  3. Step 3: Cross multiply
    84,737.39x = 127,109.39 × 25,573.07
  4. Step 4: Simplify right side
    84,737.39x = 3,250,576,564.72
  5. Step 5: Solve for x
    x = 3,250,576,564.72/84,737.39
  6. Step 6: Final answer
    x = 38,360.60

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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.