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Finding the Fourth Proportional to 6,888.63, 10,260.03 and 6,855.06

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Solution

The fourth proportional to 6,888.63, 10,260.03 and 6,855.06 is: 10,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.63 : 10,260.03 = 6,855.06 : x
  2. Step 2: Convert to fraction form
    6,888.63/10,260.03 = 6,855.06/x
  3. Step 3: Cross multiply
    6,888.63x = 10,260.03 × 6,855.06
  4. Step 4: Simplify right side
    6,888.63x = 70,333,121.25
  5. Step 5: Solve for x
    x = 70,333,121.25/6,888.63
  6. Step 6: Final answer
    x = 10,210.03

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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.