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Finding the Fourth Proportional to 16,362.40, 22,580.22 and 9,288.94

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Solution

The fourth proportional to 16,362.40, 22,580.22 and 9,288.94 is: 12,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.40 : 22,580.22 = 9,288.94 : x
  2. Step 2: Convert to fraction form
    16,362.40/22,580.22 = 9,288.94/x
  3. Step 3: Cross multiply
    16,362.40x = 22,580.22 × 9,288.94
  4. Step 4: Simplify right side
    16,362.40x = 209,746,308.77
  5. Step 5: Solve for x
    x = 209,746,308.77/16,362.40
  6. Step 6: Final answer
    x = 12,818.80

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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.