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Finding the Fourth Proportional to 1,296.32, 1,952.10 and 933.66

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Solution

The fourth proportional to 1,296.32, 1,952.10 and 933.66 is: 1,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.32 : 1,952.10 = 933.66 : x
  2. Step 2: Convert to fraction form
    1,296.32/1,952.10 = 933.66/x
  3. Step 3: Cross multiply
    1,296.32x = 1,952.10 × 933.66
  4. Step 4: Simplify right side
    1,296.32x = 1,822,597.69
  5. Step 5: Solve for x
    x = 1,822,597.69/1,296.32
  6. Step 6: Final answer
    x = 1,405.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.