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Finding the Fourth Proportional to 70,006.26, 104,784.60 and 36,678.80

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Solution

The fourth proportional to 70,006.26, 104,784.60 and 36,678.80 is: 54,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006.26 : 104,784.60 = 36,678.80 : x
  2. Step 2: Convert to fraction form
    70,006.26/104,784.60 = 36,678.80/x
  3. Step 3: Cross multiply
    70,006.26x = 104,784.60 × 36,678.80
  4. Step 4: Simplify right side
    70,006.26x = 3,843,373,386.48
  5. Step 5: Solve for x
    x = 3,843,373,386.48/70,006.26
  6. Step 6: Final answer
    x = 54,900.42

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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.