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Finding the Fourth Proportional to 9,873.15, 14,809.79 and 2,477.64

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Solution

The fourth proportional to 9,873.15, 14,809.79 and 2,477.64 is: 3,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.15 : 14,809.79 = 2,477.64 : x
  2. Step 2: Convert to fraction form
    9,873.15/14,809.79 = 2,477.64/x
  3. Step 3: Cross multiply
    9,873.15x = 14,809.79 × 2,477.64
  4. Step 4: Simplify right side
    9,873.15x = 36,693,389.83
  5. Step 5: Solve for x
    x = 36,693,389.83/9,873.15
  6. Step 6: Final answer
    x = 3,716.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.