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Finding the Fourth Proportional to 12,595.50, 18,880.49 and 5,204.05

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Solution

The fourth proportional to 12,595.50, 18,880.49 and 5,204.05 is: 7,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.50 : 18,880.49 = 5,204.05 : x
  2. Step 2: Convert to fraction form
    12,595.50/18,880.49 = 5,204.05/x
  3. Step 3: Cross multiply
    12,595.50x = 18,880.49 × 5,204.05
  4. Step 4: Simplify right side
    12,595.50x = 98,254,979.79
  5. Step 5: Solve for x
    x = 98,254,979.79/12,595.50
  6. Step 6: Final answer
    x = 7,800.80

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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.