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Finding the Fourth Proportional to 8,881.71, 13,315.71 and 3,334.93

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Solution

The fourth proportional to 8,881.71, 13,315.71 and 3,334.93 is: 4,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.71 : 13,315.71 = 3,334.93 : x
  2. Step 2: Convert to fraction form
    8,881.71/13,315.71 = 3,334.93/x
  3. Step 3: Cross multiply
    8,881.71x = 13,315.71 × 3,334.93
  4. Step 4: Simplify right side
    8,881.71x = 44,406,960.75
  5. Step 5: Solve for x
    x = 44,406,960.75/8,881.71
  6. Step 6: Final answer
    x = 4,999.82

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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.