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Finding the Fourth Proportional to 8,953.03, 13,429.55 and 3,758.91

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Solution

The fourth proportional to 8,953.03, 13,429.55 and 3,758.91 is: 5,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.03 : 13,429.55 = 3,758.91 : x
  2. Step 2: Convert to fraction form
    8,953.03/13,429.55 = 3,758.91/x
  3. Step 3: Cross multiply
    8,953.03x = 13,429.55 × 3,758.91
  4. Step 4: Simplify right side
    8,953.03x = 50,480,407.68
  5. Step 5: Solve for x
    x = 50,480,407.68/8,953.03
  6. Step 6: Final answer
    x = 5,638.36

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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.