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Finding the Fourth Proportional to 10,479.03, 14,461.11 and 6,287.28

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Solution

The fourth proportional to 10,479.03, 14,461.11 and 6,287.28 is: 8,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.03 : 14,461.11 = 6,287.28 : x
  2. Step 2: Convert to fraction form
    10,479.03/14,461.11 = 6,287.28/x
  3. Step 3: Cross multiply
    10,479.03x = 14,461.11 × 6,287.28
  4. Step 4: Simplify right side
    10,479.03x = 90,921,047.68
  5. Step 5: Solve for x
    x = 90,921,047.68/10,479.03
  6. Step 6: Final answer
    x = 8,676.48

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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.