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Finding the Fourth Proportional to 16,653.09, 22,980.58 and 9,099.68

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Solution

The fourth proportional to 16,653.09, 22,980.58 and 9,099.68 is: 12,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.09 : 22,980.58 = 9,099.68 : x
  2. Step 2: Convert to fraction form
    16,653.09/22,980.58 = 9,099.68/x
  3. Step 3: Cross multiply
    16,653.09x = 22,980.58 × 9,099.68
  4. Step 4: Simplify right side
    16,653.09x = 209,115,763.81
  5. Step 5: Solve for x
    x = 209,115,763.81/16,653.09
  6. Step 6: Final answer
    x = 12,557.17

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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.