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Finding the Fourth Proportional to 4,718.92, 7,078.14 and 1,597.72

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Solution

The fourth proportional to 4,718.92, 7,078.14 and 1,597.72 is: 2,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.92 : 7,078.14 = 1,597.72 : x
  2. Step 2: Convert to fraction form
    4,718.92/7,078.14 = 1,597.72/x
  3. Step 3: Cross multiply
    4,718.92x = 7,078.14 × 1,597.72
  4. Step 4: Simplify right side
    4,718.92x = 11,308,885.84
  5. Step 5: Solve for x
    x = 11,308,885.84/4,718.92
  6. Step 6: Final answer
    x = 2,396.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.