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Finding the Fourth Proportional to 21,334.60, 32,001.90 and 14,773.60

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Solution

The fourth proportional to 21,334.60, 32,001.90 and 14,773.60 is: 22,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.60 : 32,001.90 = 14,773.60 : x
  2. Step 2: Convert to fraction form
    21,334.60/32,001.90 = 14,773.60/x
  3. Step 3: Cross multiply
    21,334.60x = 32,001.90 × 14,773.60
  4. Step 4: Simplify right side
    21,334.60x = 472,783,269.84
  5. Step 5: Solve for x
    x = 472,783,269.84/21,334.60
  6. Step 6: Final answer
    x = 22,160.40

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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.