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Finding the Fourth Proportional to 45,855.92, 68,776.80 and 18,841.01

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Solution

The fourth proportional to 45,855.92, 68,776.80 and 18,841.01 is: 28,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.92 : 68,776.80 = 18,841.01 : x
  2. Step 2: Convert to fraction form
    45,855.92/68,776.80 = 18,841.01/x
  3. Step 3: Cross multiply
    45,855.92x = 68,776.80 × 18,841.01
  4. Step 4: Simplify right side
    45,855.92x = 1,295,823,962.03
  5. Step 5: Solve for x
    x = 1,295,823,962.03/45,855.92
  6. Step 6: Final answer
    x = 28,258.60

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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.