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Finding the Fourth Proportional to 8,953.94, 13,435.28 and 3,616.91

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Solution

The fourth proportional to 8,953.94, 13,435.28 and 3,616.91 is: 5,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.94 : 13,435.28 = 3,616.91 : x
  2. Step 2: Convert to fraction form
    8,953.94/13,435.28 = 3,616.91/x
  3. Step 3: Cross multiply
    8,953.94x = 13,435.28 × 3,616.91
  4. Step 4: Simplify right side
    8,953.94x = 48,594,113.32
  5. Step 5: Solve for x
    x = 48,594,113.32/8,953.94
  6. Step 6: Final answer
    x = 5,427.12

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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.