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Finding the Fourth Proportional to 5,876.61, 8,815.11 and 2,953.32

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Solution

The fourth proportional to 5,876.61, 8,815.11 and 2,953.32 is: 4,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.61 : 8,815.11 = 2,953.32 : x
  2. Step 2: Convert to fraction form
    5,876.61/8,815.11 = 2,953.32/x
  3. Step 3: Cross multiply
    5,876.61x = 8,815.11 × 2,953.32
  4. Step 4: Simplify right side
    5,876.61x = 26,033,840.67
  5. Step 5: Solve for x
    x = 26,033,840.67/5,876.61
  6. Step 6: Final answer
    x = 4,430.08

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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.