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Finding the Fourth Proportional to 7,017.84, 10,508.40 and 6,810.03

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Solution

The fourth proportional to 7,017.84, 10,508.40 and 6,810.03 is: 10,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.84 : 10,508.40 = 6,810.03 : x
  2. Step 2: Convert to fraction form
    7,017.84/10,508.40 = 6,810.03/x
  3. Step 3: Cross multiply
    7,017.84x = 10,508.40 × 6,810.03
  4. Step 4: Simplify right side
    7,017.84x = 71,562,519.25
  5. Step 5: Solve for x
    x = 71,562,519.25/7,017.84
  6. Step 6: Final answer
    x = 10,197.23

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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.