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Finding the Fourth Proportional to 14,479.61, 21,697.54 and 10,764.41

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Solution

The fourth proportional to 14,479.61, 21,697.54 and 10,764.41 is: 16,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.61 : 21,697.54 = 10,764.41 : x
  2. Step 2: Convert to fraction form
    14,479.61/21,697.54 = 10,764.41/x
  3. Step 3: Cross multiply
    14,479.61x = 21,697.54 × 10,764.41
  4. Step 4: Simplify right side
    14,479.61x = 233,561,216.55
  5. Step 5: Solve for x
    x = 233,561,216.55/14,479.61
  6. Step 6: Final answer
    x = 16,130.35

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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.