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Finding the Fourth Proportional to 965.58, 1,441.38 and 848.81

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Solution

The fourth proportional to 965.58, 1,441.38 and 848.81 is: 1,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.58 : 1,441.38 = 848.81 : x
  2. Step 2: Convert to fraction form
    965.58/1,441.38 = 848.81/x
  3. Step 3: Cross multiply
    965.58x = 1,441.38 × 848.81
  4. Step 4: Simplify right side
    965.58x = 1,223,457.76
  5. Step 5: Solve for x
    x = 1,223,457.76/965.58
  6. Step 6: Final answer
    x = 1,267.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.