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Finding the Fourth Proportional to 14,774.31, 22,149.81 and 7,374.96

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Solution

The fourth proportional to 14,774.31, 22,149.81 and 7,374.96 is: 11,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.31 : 22,149.81 = 7,374.96 : x
  2. Step 2: Convert to fraction form
    14,774.31/22,149.81 = 7,374.96/x
  3. Step 3: Cross multiply
    14,774.31x = 22,149.81 × 7,374.96
  4. Step 4: Simplify right side
    14,774.31x = 163,353,962.76
  5. Step 5: Solve for x
    x = 163,353,962.76/14,774.31
  6. Step 6: Final answer
    x = 11,056.62

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1.5x scale

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.