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Finding the Fourth Proportional to 14,477.41, 21,673.86 and 8,914.06

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Solution

The fourth proportional to 14,477.41, 21,673.86 and 8,914.06 is: 13,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.41 : 21,673.86 = 8,914.06 : x
  2. Step 2: Convert to fraction form
    14,477.41/21,673.86 = 8,914.06/x
  3. Step 3: Cross multiply
    14,477.41x = 21,673.86 × 8,914.06
  4. Step 4: Simplify right side
    14,477.41x = 193,202,000.86
  5. Step 5: Solve for x
    x = 193,202,000.86/14,477.41
  6. Step 6: Final answer
    x = 13,345.07

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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.