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Finding the Fourth Proportional to 4,798.60, 6,623.70 and 2,809.24

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Solution

The fourth proportional to 4,798.60, 6,623.70 and 2,809.24 is: 3,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.60 : 6,623.70 = 2,809.24 : x
  2. Step 2: Convert to fraction form
    4,798.60/6,623.70 = 2,809.24/x
  3. Step 3: Cross multiply
    4,798.60x = 6,623.70 × 2,809.24
  4. Step 4: Simplify right side
    4,798.60x = 18,607,562.99
  5. Step 5: Solve for x
    x = 18,607,562.99/4,798.60
  6. Step 6: Final answer
    x = 3,877.71

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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.