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Finding the Fourth Proportional to 16,653.34, 22,980.92 and 9,099.93

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Solution

The fourth proportional to 16,653.34, 22,980.92 and 9,099.93 is: 12,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.34 : 22,980.92 = 9,099.93 : x
  2. Step 2: Convert to fraction form
    16,653.34/22,980.92 = 9,099.93/x
  3. Step 3: Cross multiply
    16,653.34x = 22,980.92 × 9,099.93
  4. Step 4: Simplify right side
    16,653.34x = 209,124,648.43
  5. Step 5: Solve for x
    x = 209,124,648.43/16,653.34
  6. Step 6: Final answer
    x = 12,557.52

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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.