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Finding the Fourth Proportional to 14,606.60, 21,912.96 and 4,746.08

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Solution

The fourth proportional to 14,606.60, 21,912.96 and 4,746.08 is: 7,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.60 : 21,912.96 = 4,746.08 : x
  2. Step 2: Convert to fraction form
    14,606.60/21,912.96 = 4,746.08/x
  3. Step 3: Cross multiply
    14,606.60x = 21,912.96 × 4,746.08
  4. Step 4: Simplify right side
    14,606.60x = 104,000,661.20
  5. Step 5: Solve for x
    x = 104,000,661.20/14,606.60
  6. Step 6: Final answer
    x = 7,120.11

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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.