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Finding the Fourth Proportional to 9,059.85, 12,490.86 and 5,867.46

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Solution

The fourth proportional to 9,059.85, 12,490.86 and 5,867.46 is: 8,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.85 : 12,490.86 = 5,867.46 : x
  2. Step 2: Convert to fraction form
    9,059.85/12,490.86 = 5,867.46/x
  3. Step 3: Cross multiply
    9,059.85x = 12,490.86 × 5,867.46
  4. Step 4: Simplify right side
    9,059.85x = 73,289,621.42
  5. Step 5: Solve for x
    x = 73,289,621.42/9,059.85
  6. Step 6: Final answer
    x = 8,089.50

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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.