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Finding the Fourth Proportional to 73,175.88, 109,683.65 and 37,639.07

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Solution

The fourth proportional to 73,175.88, 109,683.65 and 37,639.07 is: 56,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.88 : 109,683.65 = 37,639.07 : x
  2. Step 2: Convert to fraction form
    73,175.88/109,683.65 = 37,639.07/x
  3. Step 3: Cross multiply
    73,175.88x = 109,683.65 × 37,639.07
  4. Step 4: Simplify right side
    73,175.88x = 4,128,389,843.59
  5. Step 5: Solve for x
    x = 4,128,389,843.59/73,175.88
  6. Step 6: Final answer
    x = 56,417.36

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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.