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Finding the Fourth Proportional to 8,750.12, 12,068.34 and 5,606.60

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Solution

The fourth proportional to 8,750.12, 12,068.34 and 5,606.60 is: 7,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.12 : 12,068.34 = 5,606.60 : x
  2. Step 2: Convert to fraction form
    8,750.12/12,068.34 = 5,606.60/x
  3. Step 3: Cross multiply
    8,750.12x = 12,068.34 × 5,606.60
  4. Step 4: Simplify right side
    8,750.12x = 67,662,355.04
  5. Step 5: Solve for x
    x = 67,662,355.04/8,750.12
  6. Step 6: Final answer
    x = 7,732.73

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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.