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Finding the Fourth Proportional to 15,706.96, 23,560.32 and 4,020.16

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Solution

The fourth proportional to 15,706.96, 23,560.32 and 4,020.16 is: 6,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.96 : 23,560.32 = 4,020.16 : x
  2. Step 2: Convert to fraction form
    15,706.96/23,560.32 = 4,020.16/x
  3. Step 3: Cross multiply
    15,706.96x = 23,560.32 × 4,020.16
  4. Step 4: Simplify right side
    15,706.96x = 94,716,256.05
  5. Step 5: Solve for x
    x = 94,716,256.05/15,706.96
  6. Step 6: Final answer
    x = 6,030.21

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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.