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Finding the Fourth Proportional to 3,340.62, 5,011.62 and 1,000.53

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Solution

The fourth proportional to 3,340.62, 5,011.62 and 1,000.53 is: 1,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.62 : 5,011.62 = 1,000.53 : x
  2. Step 2: Convert to fraction form
    3,340.62/5,011.62 = 1,000.53/x
  3. Step 3: Cross multiply
    3,340.62x = 5,011.62 × 1,000.53
  4. Step 4: Simplify right side
    3,340.62x = 5,014,276.16
  5. Step 5: Solve for x
    x = 5,014,276.16/3,340.62
  6. Step 6: Final answer
    x = 1,501.00

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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.