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Finding the Fourth Proportional to 4,697.76, 6,482.46 and 2,808.98

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Solution

The fourth proportional to 4,697.76, 6,482.46 and 2,808.98 is: 3,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.76 : 6,482.46 = 2,808.98 : x
  2. Step 2: Convert to fraction form
    4,697.76/6,482.46 = 2,808.98/x
  3. Step 3: Cross multiply
    4,697.76x = 6,482.46 × 2,808.98
  4. Step 4: Simplify right side
    4,697.76x = 18,209,068.08
  5. Step 5: Solve for x
    x = 18,209,068.08/4,697.76
  6. Step 6: Final answer
    x = 3,876.12

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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.