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Finding the Fourth Proportional to 5,597.16, 7,720.16 and 4,849.79

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Solution

The fourth proportional to 5,597.16, 7,720.16 and 4,849.79 is: 6,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.16 : 7,720.16 = 4,849.79 : x
  2. Step 2: Convert to fraction form
    5,597.16/7,720.16 = 4,849.79/x
  3. Step 3: Cross multiply
    5,597.16x = 7,720.16 × 4,849.79
  4. Step 4: Simplify right side
    5,597.16x = 37,441,091.92
  5. Step 5: Solve for x
    x = 37,441,091.92/5,597.16
  6. Step 6: Final answer
    x = 6,689.30

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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.