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Finding the Fourth Proportional to 1,932, 2,666.52 and 1,466.88

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Solution

The fourth proportional to 1,932, 2,666.52 and 1,466.88 is: 2,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932 : 2,666.52 = 1,466.88 : x
  2. Step 2: Convert to fraction form
    1,932/2,666.52 = 1,466.88/x
  3. Step 3: Cross multiply
    1,932x = 2,666.52 × 1,466.88
  4. Step 4: Simplify right side
    1,932x = 3,911,464.86
  5. Step 5: Solve for x
    x = 3,911,464.86/1,932
  6. Step 6: Final answer
    x = 2,024.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.