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Finding the Fourth Proportional to 965.99, 1,332.60 and 700.00

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Solution

The fourth proportional to 965.99, 1,332.60 and 700.00 is: 965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.99 : 1,332.60 = 700.00 : x
  2. Step 2: Convert to fraction form
    965.99/1,332.60 = 700.00/x
  3. Step 3: Cross multiply
    965.99x = 1,332.60 × 700.00
  4. Step 4: Simplify right side
    965.99x = 932,816.67
  5. Step 5: Solve for x
    x = 932,816.67/965.99
  6. Step 6: Final answer
    x = 965.66

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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.