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Finding the Fourth Proportional to 22,990.64, 34,475.04 and 10,506.96

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Solution

The fourth proportional to 22,990.64, 34,475.04 and 10,506.96 is: 15,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.64 : 34,475.04 = 10,506.96 : x
  2. Step 2: Convert to fraction form
    22,990.64/34,475.04 = 10,506.96/x
  3. Step 3: Cross multiply
    22,990.64x = 34,475.04 × 10,506.96
  4. Step 4: Simplify right side
    22,990.64x = 362,227,866.28
  5. Step 5: Solve for x
    x = 362,227,866.28/22,990.64
  6. Step 6: Final answer
    x = 15,755.45

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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.