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Finding the Fourth Proportional to 8,417.52, 12,598.74 and 7,609.14

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Solution

The fourth proportional to 8,417.52, 12,598.74 and 7,609.14 is: 11,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.52 : 12,598.74 = 7,609.14 : x
  2. Step 2: Convert to fraction form
    8,417.52/12,598.74 = 7,609.14/x
  3. Step 3: Cross multiply
    8,417.52x = 12,598.74 × 7,609.14
  4. Step 4: Simplify right side
    8,417.52x = 95,865,576.48
  5. Step 5: Solve for x
    x = 95,865,576.48/8,417.52
  6. Step 6: Final answer
    x = 11,388.81

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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.