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Finding the Fourth Proportional to 38,030.20, 52,482.04 and 21,033.60

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Solution

The fourth proportional to 38,030.20, 52,482.04 and 21,033.60 is: 29,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.20 : 52,482.04 = 21,033.60 : x
  2. Step 2: Convert to fraction form
    38,030.20/52,482.04 = 21,033.60/x
  3. Step 3: Cross multiply
    38,030.20x = 52,482.04 × 21,033.60
  4. Step 4: Simplify right side
    38,030.20x = 1,103,886,236.54
  5. Step 5: Solve for x
    x = 1,103,886,236.54/38,030.20
  6. Step 6: Final answer
    x = 29,026.57

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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.