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Finding the Fourth Proportional to 6,955.47, 9,598.53 and 3,972.24

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Solution

The fourth proportional to 6,955.47, 9,598.53 and 3,972.24 is: 5,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.47 : 9,598.53 = 3,972.24 : x
  2. Step 2: Convert to fraction form
    6,955.47/9,598.53 = 3,972.24/x
  3. Step 3: Cross multiply
    6,955.47x = 9,598.53 × 3,972.24
  4. Step 4: Simplify right side
    6,955.47x = 38,127,664.81
  5. Step 5: Solve for x
    x = 38,127,664.81/6,955.47
  6. Step 6: Final answer
    x = 5,481.68

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1.5x scale

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.