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Finding the Fourth Proportional to 29,810.76, 41,136.76 and 17,868.12

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Solution

The fourth proportional to 29,810.76, 41,136.76 and 17,868.12 is: 24,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.76 : 41,136.76 = 17,868.12 : x
  2. Step 2: Convert to fraction form
    29,810.76/41,136.76 = 17,868.12/x
  3. Step 3: Cross multiply
    29,810.76x = 41,136.76 × 17,868.12
  4. Step 4: Simplify right side
    29,810.76x = 735,036,564.09
  5. Step 5: Solve for x
    x = 735,036,564.09/29,810.76
  6. Step 6: Final answer
    x = 24,656.75

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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.