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Finding the Fourth Proportional to 4,785, 6,601.06 and 3,388.52

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Solution

The fourth proportional to 4,785, 6,601.06 and 3,388.52 is: 4,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785 : 6,601.06 = 3,388.52 : x
  2. Step 2: Convert to fraction form
    4,785/6,601.06 = 3,388.52/x
  3. Step 3: Cross multiply
    4,785x = 6,601.06 × 3,388.52
  4. Step 4: Simplify right side
    4,785x = 22,367,823.83
  5. Step 5: Solve for x
    x = 22,367,823.83/4,785
  6. Step 6: Final answer
    x = 4,674.57

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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.