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Finding the Fourth Proportional to 15,354.83, 22,991.22 and 9,777.98

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Solution

The fourth proportional to 15,354.83, 22,991.22 and 9,777.98 is: 14,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.83 : 22,991.22 = 9,777.98 : x
  2. Step 2: Convert to fraction form
    15,354.83/22,991.22 = 9,777.98/x
  3. Step 3: Cross multiply
    15,354.83x = 22,991.22 × 9,777.98
  4. Step 4: Simplify right side
    15,354.83x = 224,807,574.38
  5. Step 5: Solve for x
    x = 224,807,574.38/15,354.83
  6. Step 6: Final answer
    x = 14,640.84

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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.