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Finding the Fourth Proportional to 4,388.76, 6,585.78 and 1,923.54

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Solution

The fourth proportional to 4,388.76, 6,585.78 and 1,923.54 is: 2,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.76 : 6,585.78 = 1,923.54 : x
  2. Step 2: Convert to fraction form
    4,388.76/6,585.78 = 1,923.54/x
  3. Step 3: Cross multiply
    4,388.76x = 6,585.78 × 1,923.54
  4. Step 4: Simplify right side
    4,388.76x = 12,668,011.26
  5. Step 5: Solve for x
    x = 12,668,011.26/4,388.76
  6. Step 6: Final answer
    x = 2,886.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.