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Finding the Fourth Proportional to 973.36, 1,341.63 and 751.96

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Solution

The fourth proportional to 973.36, 1,341.63 and 751.96 is: 1,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.36 : 1,341.63 = 751.96 : x
  2. Step 2: Convert to fraction form
    973.36/1,341.63 = 751.96/x
  3. Step 3: Cross multiply
    973.36x = 1,341.63 × 751.96
  4. Step 4: Simplify right side
    973.36x = 1,008,852.09
  5. Step 5: Solve for x
    x = 1,008,852.09/973.36
  6. Step 6: Final answer
    x = 1,036.46

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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.