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Finding the Fourth Proportional to 8,703.88, 12,011.60 and 4,725.26

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Solution

The fourth proportional to 8,703.88, 12,011.60 and 4,725.26 is: 6,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.88 : 12,011.60 = 4,725.26 : x
  2. Step 2: Convert to fraction form
    8,703.88/12,011.60 = 4,725.26/x
  3. Step 3: Cross multiply
    8,703.88x = 12,011.60 × 4,725.26
  4. Step 4: Simplify right side
    8,703.88x = 56,757,884.77
  5. Step 5: Solve for x
    x = 56,757,884.77/8,703.88
  6. Step 6: Final answer
    x = 6,520.99

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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.