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Finding the Fourth Proportional to 6,955.16, 9,595.74 and 3,968.84

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Solution

The fourth proportional to 6,955.16, 9,595.74 and 3,968.84 is: 5,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.16 : 9,595.74 = 3,968.84 : x
  2. Step 2: Convert to fraction form
    6,955.16/9,595.74 = 3,968.84/x
  3. Step 3: Cross multiply
    6,955.16x = 9,595.74 × 3,968.84
  4. Step 4: Simplify right side
    6,955.16x = 38,083,956.74
  5. Step 5: Solve for x
    x = 38,083,956.74/6,955.16
  6. Step 6: Final answer
    x = 5,475.64

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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.