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Finding the Fourth Proportional to 47,758.01, 71,649.97 and 14,479.16

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Solution

The fourth proportional to 47,758.01, 71,649.97 and 14,479.16 is: 21,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.01 : 71,649.97 = 14,479.16 : x
  2. Step 2: Convert to fraction form
    47,758.01/71,649.97 = 14,479.16/x
  3. Step 3: Cross multiply
    47,758.01x = 71,649.97 × 14,479.16
  4. Step 4: Simplify right side
    47,758.01x = 1,037,430,985.18
  5. Step 5: Solve for x
    x = 1,037,430,985.18/47,758.01
  6. Step 6: Final answer
    x = 21,722.66

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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.