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Finding the Fourth Proportional to 67,473.72, 93,106.08 and 39,173.76

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Solution

The fourth proportional to 67,473.72, 93,106.08 and 39,173.76 is: 54,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,473.72 : 93,106.08 = 39,173.76 : x
  2. Step 2: Convert to fraction form
    67,473.72/93,106.08 = 39,173.76/x
  3. Step 3: Cross multiply
    67,473.72x = 93,106.08 × 39,173.76
  4. Step 4: Simplify right side
    67,473.72x = 3,647,315,232.46
  5. Step 5: Solve for x
    x = 3,647,315,232.46/67,473.72
  6. Step 6: Final answer
    x = 54,055.35

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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.