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Finding the Fourth Proportional to 84,941.59, 127,409.14 and 25,774.87

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Solution

The fourth proportional to 84,941.59, 127,409.14 and 25,774.87 is: 38,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,941.59 : 127,409.14 = 25,774.87 : x
  2. Step 2: Convert to fraction form
    84,941.59/127,409.14 = 25,774.87/x
  3. Step 3: Cross multiply
    84,941.59x = 127,409.14 × 25,774.87
  4. Step 4: Simplify right side
    84,941.59x = 3,283,953,891.44
  5. Step 5: Solve for x
    x = 3,283,953,891.44/84,941.59
  6. Step 6: Final answer
    x = 38,661.32

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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.