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Finding the Fourth Proportional to 5,006.99, 6,910.95 and 3,117.46

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Solution

The fourth proportional to 5,006.99, 6,910.95 and 3,117.46 is: 4,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.99 : 6,910.95 = 3,117.46 : x
  2. Step 2: Convert to fraction form
    5,006.99/6,910.95 = 3,117.46/x
  3. Step 3: Cross multiply
    5,006.99x = 6,910.95 × 3,117.46
  4. Step 4: Simplify right side
    5,006.99x = 21,544,610.19
  5. Step 5: Solve for x
    x = 21,544,610.19/5,006.99
  6. Step 6: Final answer
    x = 4,302.91

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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.