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Finding the Fourth Proportional to 1,952.76, 2,929.32 and 654.42

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Solution

The fourth proportional to 1,952.76, 2,929.32 and 654.42 is: 981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.76 : 2,929.32 = 654.42 : x
  2. Step 2: Convert to fraction form
    1,952.76/2,929.32 = 654.42/x
  3. Step 3: Cross multiply
    1,952.76x = 2,929.32 × 654.42
  4. Step 4: Simplify right side
    1,952.76x = 1,917,005.59
  5. Step 5: Solve for x
    x = 1,917,005.59/1,952.76
  6. Step 6: Final answer
    x = 981.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.