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Finding the Fourth Proportional to 4,697.76, 6,488.22 and 3,203.10

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Solution

The fourth proportional to 4,697.76, 6,488.22 and 3,203.10 is: 4,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.76 : 6,488.22 = 3,203.10 : x
  2. Step 2: Convert to fraction form
    4,697.76/6,488.22 = 3,203.10/x
  3. Step 3: Cross multiply
    4,697.76x = 6,488.22 × 3,203.10
  4. Step 4: Simplify right side
    4,697.76x = 20,782,417.48
  5. Step 5: Solve for x
    x = 20,782,417.48/4,697.76
  6. Step 6: Final answer
    x = 4,423.90

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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.