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Finding the Fourth Proportional to 14,673.59, 20,246.44 and 8,707.20

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Solution

The fourth proportional to 14,673.59, 20,246.44 and 8,707.20 is: 12,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.59 : 20,246.44 = 8,707.20 : x
  2. Step 2: Convert to fraction form
    14,673.59/20,246.44 = 8,707.20/x
  3. Step 3: Cross multiply
    14,673.59x = 20,246.44 × 8,707.20
  4. Step 4: Simplify right side
    14,673.59x = 176,289,802.37
  5. Step 5: Solve for x
    x = 176,289,802.37/14,673.59
  6. Step 6: Final answer
    x = 12,014.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.