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Finding the Fourth Proportional to 7,883.03, 10,878.57 and 4,346.30

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Solution

The fourth proportional to 7,883.03, 10,878.57 and 4,346.30 is: 5,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.03 : 10,878.57 = 4,346.30 : x
  2. Step 2: Convert to fraction form
    7,883.03/10,878.57 = 4,346.30/x
  3. Step 3: Cross multiply
    7,883.03x = 10,878.57 × 4,346.30
  4. Step 4: Simplify right side
    7,883.03x = 47,281,528.79
  5. Step 5: Solve for x
    x = 47,281,528.79/7,883.03
  6. Step 6: Final answer
    x = 5,997.89

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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.