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Finding the Fourth Proportional to 4,888.54, 6,747.06 and 2,900.20

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Solution

The fourth proportional to 4,888.54, 6,747.06 and 2,900.20 is: 4,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.54 : 6,747.06 = 2,900.20 : x
  2. Step 2: Convert to fraction form
    4,888.54/6,747.06 = 2,900.20/x
  3. Step 3: Cross multiply
    4,888.54x = 6,747.06 × 2,900.20
  4. Step 4: Simplify right side
    4,888.54x = 19,567,823.41
  5. Step 5: Solve for x
    x = 19,567,823.41/4,888.54
  6. Step 6: Final answer
    x = 4,002.79

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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.