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Finding the Fourth Proportional to 34,386.48, 51,627.24 and 17,760.24

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Solution

The fourth proportional to 34,386.48, 51,627.24 and 17,760.24 is: 26,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.48 : 51,627.24 = 17,760.24 : x
  2. Step 2: Convert to fraction form
    34,386.48/51,627.24 = 17,760.24/x
  3. Step 3: Cross multiply
    34,386.48x = 51,627.24 × 17,760.24
  4. Step 4: Simplify right side
    34,386.48x = 916,912,172.94
  5. Step 5: Solve for x
    x = 916,912,172.94/34,386.48
  6. Step 6: Final answer
    x = 26,664.90

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1.5x scale

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.