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Finding the Fourth Proportional to 8,710.81, 12,022.02 and 4,934.59

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Solution

The fourth proportional to 8,710.81, 12,022.02 and 4,934.59 is: 6,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.81 : 12,022.02 = 4,934.59 : x
  2. Step 2: Convert to fraction form
    8,710.81/12,022.02 = 4,934.59/x
  3. Step 3: Cross multiply
    8,710.81x = 12,022.02 × 4,934.59
  4. Step 4: Simplify right side
    8,710.81x = 59,323,709.62
  5. Step 5: Solve for x
    x = 59,323,709.62/8,710.81
  6. Step 6: Final answer
    x = 6,810.36

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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.