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Finding the Fourth Proportional to 4,697.70, 6,480.98 and 3,018.87

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Solution

The fourth proportional to 4,697.70, 6,480.98 and 3,018.87 is: 4,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.70 : 6,480.98 = 3,018.87 : x
  2. Step 2: Convert to fraction form
    4,697.70/6,480.98 = 3,018.87/x
  3. Step 3: Cross multiply
    4,697.70x = 6,480.98 × 3,018.87
  4. Step 4: Simplify right side
    4,697.70x = 19,565,232.32
  5. Step 5: Solve for x
    x = 19,565,232.32/4,697.70
  6. Step 6: Final answer
    x = 4,164.86

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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.