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Finding the Fourth Proportional to 6,870.06, 10,305.12 and 1,675.94

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Solution

The fourth proportional to 6,870.06, 10,305.12 and 1,675.94 is: 2,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.06 : 10,305.12 = 1,675.94 : x
  2. Step 2: Convert to fraction form
    6,870.06/10,305.12 = 1,675.94/x
  3. Step 3: Cross multiply
    6,870.06x = 10,305.12 × 1,675.94
  4. Step 4: Simplify right side
    6,870.06x = 17,270,711.29
  5. Step 5: Solve for x
    x = 17,270,711.29/6,870.06
  6. Step 6: Final answer
    x = 2,513.91

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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.