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Finding the Fourth Proportional to 16,445.48, 22,693.01 and 9,731.39

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Solution

The fourth proportional to 16,445.48, 22,693.01 and 9,731.39 is: 13,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.48 : 22,693.01 = 9,731.39 : x
  2. Step 2: Convert to fraction form
    16,445.48/22,693.01 = 9,731.39/x
  3. Step 3: Cross multiply
    16,445.48x = 22,693.01 × 9,731.39
  4. Step 4: Simplify right side
    16,445.48x = 220,834,611.64
  5. Step 5: Solve for x
    x = 220,834,611.64/16,445.48
  6. Step 6: Final answer
    x = 13,428.28

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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.