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Finding the Fourth Proportional to 9,065.70, 13,594.01 and 4,385.99

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Solution

The fourth proportional to 9,065.70, 13,594.01 and 4,385.99 is: 6,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.70 : 13,594.01 = 4,385.99 : x
  2. Step 2: Convert to fraction form
    9,065.70/13,594.01 = 4,385.99/x
  3. Step 3: Cross multiply
    9,065.70x = 13,594.01 × 4,385.99
  4. Step 4: Simplify right side
    9,065.70x = 59,623,102.02
  5. Step 5: Solve for x
    x = 59,623,102.02/9,065.70
  6. Step 6: Final answer
    x = 6,576.78

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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.