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Finding the Fourth Proportional to 29,136, 43,640 and 24,081.16

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Solution

The fourth proportional to 29,136, 43,640 and 24,081.16 is: 36,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136 : 43,640 = 24,081.16 : x
  2. Step 2: Convert to fraction form
    29,136/43,640 = 24,081.16/x
  3. Step 3: Cross multiply
    29,136x = 43,640 × 24,081.16
  4. Step 4: Simplify right side
    29,136x = 1,050,901,822.40
  5. Step 5: Solve for x
    x = 1,050,901,822.40/29,136
  6. Step 6: Final answer
    x = 36,068.84

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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.