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Finding the Fourth Proportional to 4,697.79, 6,482.85 and 2,708.22

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Solution

The fourth proportional to 4,697.79, 6,482.85 and 2,708.22 is: 3,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.79 : 6,482.85 = 2,708.22 : x
  2. Step 2: Convert to fraction form
    4,697.79/6,482.85 = 2,708.22/x
  3. Step 3: Cross multiply
    4,697.79x = 6,482.85 × 2,708.22
  4. Step 4: Simplify right side
    4,697.79x = 17,556,984.03
  5. Step 5: Solve for x
    x = 17,556,984.03/4,697.79
  6. Step 6: Final answer
    x = 3,737.29

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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.