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Finding the Fourth Proportional to 5,011.88, 7,518 and 1,501.93

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Solution

The fourth proportional to 5,011.88, 7,518 and 1,501.93 is: 2,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.88 : 7,518 = 1,501.93 : x
  2. Step 2: Convert to fraction form
    5,011.88/7,518 = 1,501.93/x
  3. Step 3: Cross multiply
    5,011.88x = 7,518 × 1,501.93
  4. Step 4: Simplify right side
    5,011.88x = 11,291,472.15
  5. Step 5: Solve for x
    x = 11,291,472.15/5,011.88
  6. Step 6: Final answer
    x = 2,252.94

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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.