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Finding the Fourth Proportional to 1,501.86, 2,252.71 and 527.88

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Solution

The fourth proportional to 1,501.86, 2,252.71 and 527.88 is: 791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.86 : 2,252.71 = 527.88 : x
  2. Step 2: Convert to fraction form
    1,501.86/2,252.71 = 527.88/x
  3. Step 3: Cross multiply
    1,501.86x = 2,252.71 × 527.88
  4. Step 4: Simplify right side
    1,501.86x = 1,189,169.66
  5. Step 5: Solve for x
    x = 1,189,169.66/1,501.86
  6. Step 6: Final answer
    x = 791.80

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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.