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Finding the Fourth Proportional to 8,953.99, 12,352.53 and 5,966.91

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Solution

The fourth proportional to 8,953.99, 12,352.53 and 5,966.91 is: 8,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.99 : 12,352.53 = 5,966.91 : x
  2. Step 2: Convert to fraction form
    8,953.99/12,352.53 = 5,966.91/x
  3. Step 3: Cross multiply
    8,953.99x = 12,352.53 × 5,966.91
  4. Step 4: Simplify right side
    8,953.99x = 73,706,404.95
  5. Step 5: Solve for x
    x = 73,706,404.95/8,953.99
  6. Step 6: Final answer
    x = 8,231.69

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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.