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Finding the Fourth Proportional to 8,885.88, 13,327.87 and 4,721.46

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Solution

The fourth proportional to 8,885.88, 13,327.87 and 4,721.46 is: 7,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.88 : 13,327.87 = 4,721.46 : x
  2. Step 2: Convert to fraction form
    8,885.88/13,327.87 = 4,721.46/x
  3. Step 3: Cross multiply
    8,885.88x = 13,327.87 × 4,721.46
  4. Step 4: Simplify right side
    8,885.88x = 62,926,981.48
  5. Step 5: Solve for x
    x = 62,926,981.48/8,885.88
  6. Step 6: Final answer
    x = 7,081.68

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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.