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Finding the Fourth Proportional to 1,500.86, 2,252.00 and 945.47

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Solution

The fourth proportional to 1,500.86, 2,252.00 and 945.47 is: 1,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.86 : 2,252.00 = 945.47 : x
  2. Step 2: Convert to fraction form
    1,500.86/2,252.00 = 945.47/x
  3. Step 3: Cross multiply
    1,500.86x = 2,252.00 × 945.47
  4. Step 4: Simplify right side
    1,500.86x = 2,129,206.43
  5. Step 5: Solve for x
    x = 2,129,206.43/1,500.86
  6. Step 6: Final answer
    x = 1,418.66

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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.