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Finding the Fourth Proportional to 4,673.62, 7,009.23 and 1,385.94

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Solution

The fourth proportional to 4,673.62, 7,009.23 and 1,385.94 is: 2,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.62 : 7,009.23 = 1,385.94 : x
  2. Step 2: Convert to fraction form
    4,673.62/7,009.23 = 1,385.94/x
  3. Step 3: Cross multiply
    4,673.62x = 7,009.23 × 1,385.94
  4. Step 4: Simplify right side
    4,673.62x = 9,714,372.23
  5. Step 5: Solve for x
    x = 9,714,372.23/4,673.62
  6. Step 6: Final answer
    x = 2,078.55

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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.