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Finding the Fourth Proportional to 8,710.68, 12,020.37 and 4,934.04

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Solution

The fourth proportional to 8,710.68, 12,020.37 and 4,934.04 is: 6,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.68 : 12,020.37 = 4,934.04 : x
  2. Step 2: Convert to fraction form
    8,710.68/12,020.37 = 4,934.04/x
  3. Step 3: Cross multiply
    8,710.68x = 12,020.37 × 4,934.04
  4. Step 4: Simplify right side
    8,710.68x = 59,308,986.39
  5. Step 5: Solve for x
    x = 59,308,986.39/8,710.68
  6. Step 6: Final answer
    x = 6,808.77

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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.