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Finding the Fourth Proportional to 31,495.56, 43,468.68 and 23,929.56

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Solution

The fourth proportional to 31,495.56, 43,468.68 and 23,929.56 is: 33,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.56 : 43,468.68 = 23,929.56 : x
  2. Step 2: Convert to fraction form
    31,495.56/43,468.68 = 23,929.56/x
  3. Step 3: Cross multiply
    31,495.56x = 43,468.68 × 23,929.56
  4. Step 4: Simplify right side
    31,495.56x = 1,040,186,386.18
  5. Step 5: Solve for x
    x = 1,040,186,386.18/31,495.56
  6. Step 6: Final answer
    x = 33,026.45

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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.