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Finding the Fourth Proportional to 8,652.34, 11,940.47 and 5,295.09

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Solution

The fourth proportional to 8,652.34, 11,940.47 and 5,295.09 is: 7,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.34 : 11,940.47 = 5,295.09 : x
  2. Step 2: Convert to fraction form
    8,652.34/11,940.47 = 5,295.09/x
  3. Step 3: Cross multiply
    8,652.34x = 11,940.47 × 5,295.09
  4. Step 4: Simplify right side
    8,652.34x = 63,225,901.45
  5. Step 5: Solve for x
    x = 63,225,901.45/8,652.34
  6. Step 6: Final answer
    x = 7,307.37

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1.5x scale

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.