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Finding the Fourth Proportional to 67,673.37, 93,367.79 and 39,373.59

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Solution

The fourth proportional to 67,673.37, 93,367.79 and 39,373.59 is: 54,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,673.37 : 93,367.79 = 39,373.59 : x
  2. Step 2: Convert to fraction form
    67,673.37/93,367.79 = 39,373.59/x
  3. Step 3: Cross multiply
    67,673.37x = 93,367.79 × 39,373.59
  4. Step 4: Simplify right side
    67,673.37x = 3,676,225,119.22
  5. Step 5: Solve for x
    x = 3,676,225,119.22/67,673.37
  6. Step 6: Final answer
    x = 54,323.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.