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Finding the Fourth Proportional to 14,606.60, 21,866.70 and 13,752.20

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Solution

The fourth proportional to 14,606.60, 21,866.70 and 13,752.20 is: 20,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.60 : 21,866.70 = 13,752.20 : x
  2. Step 2: Convert to fraction form
    14,606.60/21,866.70 = 13,752.20/x
  3. Step 3: Cross multiply
    14,606.60x = 21,866.70 × 13,752.20
  4. Step 4: Simplify right side
    14,606.60x = 300,715,231.74
  5. Step 5: Solve for x
    x = 300,715,231.74/14,606.60
  6. Step 6: Final answer
    x = 20,587.63

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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.