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Finding the Fourth Proportional to 14,353.86, 21,532.02 and 3,965.60

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Solution

The fourth proportional to 14,353.86, 21,532.02 and 3,965.60 is: 5,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.86 : 21,532.02 = 3,965.60 : x
  2. Step 2: Convert to fraction form
    14,353.86/21,532.02 = 3,965.60/x
  3. Step 3: Cross multiply
    14,353.86x = 21,532.02 × 3,965.60
  4. Step 4: Simplify right side
    14,353.86x = 85,387,378.51
  5. Step 5: Solve for x
    x = 85,387,378.51/14,353.86
  6. Step 6: Final answer
    x = 5,948.74

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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.