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Finding the Fourth Proportional to 5,011.96, 7,518.03 and 2,946.46

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Solution

The fourth proportional to 5,011.96, 7,518.03 and 2,946.46 is: 4,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.96 : 7,518.03 = 2,946.46 : x
  2. Step 2: Convert to fraction form
    5,011.96/7,518.03 = 2,946.46/x
  3. Step 3: Cross multiply
    5,011.96x = 7,518.03 × 2,946.46
  4. Step 4: Simplify right side
    5,011.96x = 22,151,574.67
  5. Step 5: Solve for x
    x = 22,151,574.67/5,011.96
  6. Step 6: Final answer
    x = 4,419.74

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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.