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Finding the Fourth Proportional to 5,913.09, 8,875.10 and 2,993.45

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Solution

The fourth proportional to 5,913.09, 8,875.10 and 2,993.45 is: 4,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.09 : 8,875.10 = 2,993.45 : x
  2. Step 2: Convert to fraction form
    5,913.09/8,875.10 = 2,993.45/x
  3. Step 3: Cross multiply
    5,913.09x = 8,875.10 × 2,993.45
  4. Step 4: Simplify right side
    5,913.09x = 26,567,153.13
  5. Step 5: Solve for x
    x = 26,567,153.13/5,913.09
  6. Step 6: Final answer
    x = 4,492.94

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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.