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Finding the Fourth Proportional to 15,477.76, 23,222.40 and 7,264

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Solution

The fourth proportional to 15,477.76, 23,222.40 and 7,264 is: 10,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.76 : 23,222.40 = 7,264 : x
  2. Step 2: Convert to fraction form
    15,477.76/23,222.40 = 7,264/x
  3. Step 3: Cross multiply
    15,477.76x = 23,222.40 × 7,264
  4. Step 4: Simplify right side
    15,477.76x = 168,687,513.60
  5. Step 5: Solve for x
    x = 168,687,513.60/15,477.76
  6. Step 6: Final answer
    x = 10,898.70

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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.