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Finding the Fourth Proportional to 84,106.63, 126,138.46 and 24,928.46

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Solution

The fourth proportional to 84,106.63, 126,138.46 and 24,928.46 is: 37,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,106.63 : 126,138.46 = 24,928.46 : x
  2. Step 2: Convert to fraction form
    84,106.63/126,138.46 = 24,928.46/x
  3. Step 3: Cross multiply
    84,106.63x = 126,138.46 × 24,928.46
  4. Step 4: Simplify right side
    84,106.63x = 3,144,437,554.57
  5. Step 5: Solve for x
    x = 3,144,437,554.57/84,106.63
  6. Step 6: Final answer
    x = 37,386.32

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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.