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Finding the Fourth Proportional to 10,190.06, 15,264.56 and 6,479

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Solution

The fourth proportional to 10,190.06, 15,264.56 and 6,479 is: 9,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.06 : 15,264.56 = 6,479 : x
  2. Step 2: Convert to fraction form
    10,190.06/15,264.56 = 6,479/x
  3. Step 3: Cross multiply
    10,190.06x = 15,264.56 × 6,479
  4. Step 4: Simplify right side
    10,190.06x = 98,899,084.24
  5. Step 5: Solve for x
    x = 98,899,084.24/10,190.06
  6. Step 6: Final answer
    x = 9,705.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.