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Finding the Fourth Proportional to 23,290.56, 34,890.06 and 15,368.91

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Solution

The fourth proportional to 23,290.56, 34,890.06 and 15,368.91 is: 23,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.56 : 34,890.06 = 15,368.91 : x
  2. Step 2: Convert to fraction form
    23,290.56/34,890.06 = 15,368.91/x
  3. Step 3: Cross multiply
    23,290.56x = 34,890.06 × 15,368.91
  4. Step 4: Simplify right side
    23,290.56x = 536,222,192.03
  5. Step 5: Solve for x
    x = 536,222,192.03/23,290.56
  6. Step 6: Final answer
    x = 23,023.16

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Why These Related Problems?

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