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Finding the Fourth Proportional to 1,295.94, 1,944.16 and 710.62

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Solution

The fourth proportional to 1,295.94, 1,944.16 and 710.62 is: 1,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.94 : 1,944.16 = 710.62 : x
  2. Step 2: Convert to fraction form
    1,295.94/1,944.16 = 710.62/x
  3. Step 3: Cross multiply
    1,295.94x = 1,944.16 × 710.62
  4. Step 4: Simplify right side
    1,295.94x = 1,381,567.28
  5. Step 5: Solve for x
    x = 1,381,567.28/1,295.94
  6. Step 6: Final answer
    x = 1,066.07

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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.