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Finding the Fourth Proportional to 14,406.53, 21,594.17 and 7,376.90

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Solution

The fourth proportional to 14,406.53, 21,594.17 and 7,376.90 is: 11,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.53 : 21,594.17 = 7,376.90 : x
  2. Step 2: Convert to fraction form
    14,406.53/21,594.17 = 7,376.90/x
  3. Step 3: Cross multiply
    14,406.53x = 21,594.17 × 7,376.90
  4. Step 4: Simplify right side
    14,406.53x = 159,298,032.67
  5. Step 5: Solve for x
    x = 159,298,032.67/14,406.53
  6. Step 6: Final answer
    x = 11,057.35

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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.