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Finding the Fourth Proportional to 8,553.99, 12,833.67 and 3,007.47

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Solution

The fourth proportional to 8,553.99, 12,833.67 and 3,007.47 is: 4,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.99 : 12,833.67 = 3,007.47 : x
  2. Step 2: Convert to fraction form
    8,553.99/12,833.67 = 3,007.47/x
  3. Step 3: Cross multiply
    8,553.99x = 12,833.67 × 3,007.47
  4. Step 4: Simplify right side
    8,553.99x = 38,596,877.51
  5. Step 5: Solve for x
    x = 38,596,877.51/8,553.99
  6. Step 6: Final answer
    x = 4,512.15

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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.