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Finding the Fourth Proportional to 32,389.28, 44,696.40 and 18,241.28

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Solution

The fourth proportional to 32,389.28, 44,696.40 and 18,241.28 is: 25,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.28 : 44,696.40 = 18,241.28 : x
  2. Step 2: Convert to fraction form
    32,389.28/44,696.40 = 18,241.28/x
  3. Step 3: Cross multiply
    32,389.28x = 44,696.40 × 18,241.28
  4. Step 4: Simplify right side
    32,389.28x = 815,319,547.39
  5. Step 5: Solve for x
    x = 815,319,547.39/32,389.28
  6. Step 6: Final answer
    x = 25,172.51

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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.