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Finding the Fourth Proportional to 45,690.56, 68,543.04 and 14,532.80

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Solution

The fourth proportional to 45,690.56, 68,543.04 and 14,532.80 is: 21,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.56 : 68,543.04 = 14,532.80 : x
  2. Step 2: Convert to fraction form
    45,690.56/68,543.04 = 14,532.80/x
  3. Step 3: Cross multiply
    45,690.56x = 68,543.04 × 14,532.80
  4. Step 4: Simplify right side
    45,690.56x = 996,122,291.71
  5. Step 5: Solve for x
    x = 996,122,291.71/45,690.56
  6. Step 6: Final answer
    x = 21,801.49

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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.