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Finding the Fourth Proportional to 10,703.62, 14,771.19 and 5,987.80

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Solution

The fourth proportional to 10,703.62, 14,771.19 and 5,987.80 is: 8,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.62 : 14,771.19 = 5,987.80 : x
  2. Step 2: Convert to fraction form
    10,703.62/14,771.19 = 5,987.80/x
  3. Step 3: Cross multiply
    10,703.62x = 14,771.19 × 5,987.80
  4. Step 4: Simplify right side
    10,703.62x = 88,446,931.48
  5. Step 5: Solve for x
    x = 88,446,931.48/10,703.62
  6. Step 6: Final answer
    x = 8,263.27

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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.