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Finding the Fourth Proportional to 14,672.64, 22,009.32 and 4,811.52

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Solution

The fourth proportional to 14,672.64, 22,009.32 and 4,811.52 is: 7,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.64 : 22,009.32 = 4,811.52 : x
  2. Step 2: Convert to fraction form
    14,672.64/22,009.32 = 4,811.52/x
  3. Step 3: Cross multiply
    14,672.64x = 22,009.32 × 4,811.52
  4. Step 4: Simplify right side
    14,672.64x = 105,898,283.37
  5. Step 5: Solve for x
    x = 105,898,283.37/14,672.64
  6. Step 6: Final answer
    x = 7,217.40

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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.