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Finding the Fourth Proportional to 22,362.63, 30,866.90 and 14,910.63

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Solution

The fourth proportional to 22,362.63, 30,866.90 and 14,910.63 is: 20,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.63 : 30,866.90 = 14,910.63 : x
  2. Step 2: Convert to fraction form
    22,362.63/30,866.90 = 14,910.63/x
  3. Step 3: Cross multiply
    22,362.63x = 30,866.90 × 14,910.63
  4. Step 4: Simplify right side
    22,362.63x = 460,244,925.15
  5. Step 5: Solve for x
    x = 460,244,925.15/22,362.63
  6. Step 6: Final answer
    x = 20,580.98

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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.