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Finding the Fourth Proportional to 22,960.60, 34,376.10 and 22,312.60

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Solution

The fourth proportional to 22,960.60, 34,376.10 and 22,312.60 is: 33,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,960.60 : 34,376.10 = 22,312.60 : x
  2. Step 2: Convert to fraction form
    22,960.60/34,376.10 = 22,312.60/x
  3. Step 3: Cross multiply
    22,960.60x = 34,376.10 × 22,312.60
  4. Step 4: Simplify right side
    22,960.60x = 767,020,168.86
  5. Step 5: Solve for x
    x = 767,020,168.86/22,960.60
  6. Step 6: Final answer
    x = 33,405.93

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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.