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Finding the Fourth Proportional to 15,152.60, 22,696.02 and 7,345

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Solution

The fourth proportional to 15,152.60, 22,696.02 and 7,345 is: 11,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.60 : 22,696.02 = 7,345 : x
  2. Step 2: Convert to fraction form
    15,152.60/22,696.02 = 7,345/x
  3. Step 3: Cross multiply
    15,152.60x = 22,696.02 × 7,345
  4. Step 4: Simplify right side
    15,152.60x = 166,702,266.90
  5. Step 5: Solve for x
    x = 166,702,266.90/15,152.60
  6. Step 6: Final answer
    x = 11,001.56

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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.