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Finding the Fourth Proportional to 7,885.05, 10,881.69 and 4,348.49

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Solution

The fourth proportional to 7,885.05, 10,881.69 and 4,348.49 is: 6,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.05 : 10,881.69 = 4,348.49 : x
  2. Step 2: Convert to fraction form
    7,885.05/10,881.69 = 4,348.49/x
  3. Step 3: Cross multiply
    7,885.05x = 10,881.69 × 4,348.49
  4. Step 4: Simplify right side
    7,885.05x = 47,318,873.89
  5. Step 5: Solve for x
    x = 47,318,873.89/7,885.05
  6. Step 6: Final answer
    x = 6,001.09

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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.