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Finding the Fourth Proportional to 29,889.64, 41,243.88 and 17,955.10

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Solution

The fourth proportional to 29,889.64, 41,243.88 and 17,955.10 is: 24,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.64 : 41,243.88 = 17,955.10 : x
  2. Step 2: Convert to fraction form
    29,889.64/41,243.88 = 17,955.10/x
  3. Step 3: Cross multiply
    29,889.64x = 41,243.88 × 17,955.10
  4. Step 4: Simplify right side
    29,889.64x = 740,537,989.79
  5. Step 5: Solve for x
    x = 740,537,989.79/29,889.64
  6. Step 6: Final answer
    x = 24,775.74

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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.