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Finding the Fourth Proportional to 5,788.40, 8,663.40 and 4,060.40

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Solution

The fourth proportional to 5,788.40, 8,663.40 and 4,060.40 is: 6,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.40 : 8,663.40 = 4,060.40 : x
  2. Step 2: Convert to fraction form
    5,788.40/8,663.40 = 4,060.40/x
  3. Step 3: Cross multiply
    5,788.40x = 8,663.40 × 4,060.40
  4. Step 4: Simplify right side
    5,788.40x = 35,176,869.36
  5. Step 5: Solve for x
    x = 35,176,869.36/5,788.40
  6. Step 6: Final answer
    x = 6,077.13

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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.