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Finding the Fourth Proportional to 14,846.47, 20,473.99 and 8,877.17

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Solution

The fourth proportional to 14,846.47, 20,473.99 and 8,877.17 is: 12,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.47 : 20,473.99 = 8,877.17 : x
  2. Step 2: Convert to fraction form
    14,846.47/20,473.99 = 8,877.17/x
  3. Step 3: Cross multiply
    14,846.47x = 20,473.99 × 8,877.17
  4. Step 4: Simplify right side
    14,846.47x = 181,751,089.81
  5. Step 5: Solve for x
    x = 181,751,089.81/14,846.47
  6. Step 6: Final answer
    x = 12,242.04

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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.