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Finding the Fourth Proportional to 8,673.75, 13,011.02 and 2,434.20

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Solution

The fourth proportional to 8,673.75, 13,011.02 and 2,434.20 is: 3,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.75 : 13,011.02 = 2,434.20 : x
  2. Step 2: Convert to fraction form
    8,673.75/13,011.02 = 2,434.20/x
  3. Step 3: Cross multiply
    8,673.75x = 13,011.02 × 2,434.20
  4. Step 4: Simplify right side
    8,673.75x = 31,671,424.88
  5. Step 5: Solve for x
    x = 31,671,424.88/8,673.75
  6. Step 6: Final answer
    x = 3,651.41

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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.