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Finding the Fourth Proportional to 32,893.98, 45,393.95 and 18,160.31

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Solution

The fourth proportional to 32,893.98, 45,393.95 and 18,160.31 is: 25,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.98 : 45,393.95 = 18,160.31 : x
  2. Step 2: Convert to fraction form
    32,893.98/45,393.95 = 18,160.31/x
  3. Step 3: Cross multiply
    32,893.98x = 45,393.95 × 18,160.31
  4. Step 4: Simplify right side
    32,893.98x = 824,368,170.08
  5. Step 5: Solve for x
    x = 824,368,170.08/32,893.98
  6. Step 6: Final answer
    x = 25,061.37

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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.