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Finding the Fourth Proportional to 4,884.78, 6,726.51 and 4,775.82

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Solution

The fourth proportional to 4,884.78, 6,726.51 and 4,775.82 is: 6,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.78 : 6,726.51 = 4,775.82 : x
  2. Step 2: Convert to fraction form
    4,884.78/6,726.51 = 4,775.82/x
  3. Step 3: Cross multiply
    4,884.78x = 6,726.51 × 4,775.82
  4. Step 4: Simplify right side
    4,884.78x = 32,124,600.99
  5. Step 5: Solve for x
    x = 32,124,600.99/4,884.78
  6. Step 6: Final answer
    x = 6,576.47

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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.