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Finding the Fourth Proportional to 23,943.61, 35,915.40 and 6,412.99

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Solution

The fourth proportional to 23,943.61, 35,915.40 and 6,412.99 is: 9,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,943.61 : 35,915.40 = 6,412.99 : x
  2. Step 2: Convert to fraction form
    23,943.61/35,915.40 = 6,412.99/x
  3. Step 3: Cross multiply
    23,943.61x = 35,915.40 × 6,412.99
  4. Step 4: Simplify right side
    23,943.61x = 230,325,101.05
  5. Step 5: Solve for x
    x = 230,325,101.05/23,943.61
  6. Step 6: Final answer
    x = 9,619.48

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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.