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Finding the Fourth Proportional to 4,648.32, 7,008.98 and 4,260.87

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Solution

The fourth proportional to 4,648.32, 7,008.98 and 4,260.87 is: 6,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.32 : 7,008.98 = 4,260.87 : x
  2. Step 2: Convert to fraction form
    4,648.32/7,008.98 = 4,260.87/x
  3. Step 3: Cross multiply
    4,648.32x = 7,008.98 × 4,260.87
  4. Step 4: Simplify right side
    4,648.32x = 29,864,331.31
  5. Step 5: Solve for x
    x = 29,864,331.31/4,648.32
  6. Step 6: Final answer
    x = 6,424.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.