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Finding the Fourth Proportional to 8,017.62, 11,967.72 and 7,070.74

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Solution

The fourth proportional to 8,017.62, 11,967.72 and 7,070.74 is: 10,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.62 : 11,967.72 = 7,070.74 : x
  2. Step 2: Convert to fraction form
    8,017.62/11,967.72 = 7,070.74/x
  3. Step 3: Cross multiply
    8,017.62x = 11,967.72 × 7,070.74
  4. Step 4: Simplify right side
    8,017.62x = 84,620,618.84
  5. Step 5: Solve for x
    x = 84,620,618.84/8,017.62
  6. Step 6: Final answer
    x = 10,554.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.