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Finding the Fourth Proportional to 30,482.52, 42,063.48 and 17,052.72

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Solution

The fourth proportional to 30,482.52, 42,063.48 and 17,052.72 is: 23,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.52 : 42,063.48 = 17,052.72 : x
  2. Step 2: Convert to fraction form
    30,482.52/42,063.48 = 17,052.72/x
  3. Step 3: Cross multiply
    30,482.52x = 42,063.48 × 17,052.72
  4. Step 4: Simplify right side
    30,482.52x = 717,296,746.67
  5. Step 5: Solve for x
    x = 717,296,746.67/30,482.52
  6. Step 6: Final answer
    x = 23,531.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.