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Finding the Fourth Proportional to 9,359.50, 12,905.58 and 7,652.68

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Solution

The fourth proportional to 9,359.50, 12,905.58 and 7,652.68 is: 10,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.50 : 12,905.58 = 7,652.68 : x
  2. Step 2: Convert to fraction form
    9,359.50/12,905.58 = 7,652.68/x
  3. Step 3: Cross multiply
    9,359.50x = 12,905.58 × 7,652.68
  4. Step 4: Simplify right side
    9,359.50x = 98,762,273.95
  5. Step 5: Solve for x
    x = 98,762,273.95/9,359.50
  6. Step 6: Final answer
    x = 10,552.09

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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.