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Finding the Fourth Proportional to 25,157, 34,696.06 and 15,590.24

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Solution

The fourth proportional to 25,157, 34,696.06 and 15,590.24 is: 21,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157 : 34,696.06 = 15,590.24 : x
  2. Step 2: Convert to fraction form
    25,157/34,696.06 = 15,590.24/x
  3. Step 3: Cross multiply
    25,157x = 34,696.06 × 15,590.24
  4. Step 4: Simplify right side
    25,157x = 540,919,902.45
  5. Step 5: Solve for x
    x = 540,919,902.45/25,157
  6. Step 6: Final answer
    x = 21,501.77

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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.