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Finding the Fourth Proportional to 58,388.97, 87,507.32 and 26,787.63

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Solution

The fourth proportional to 58,388.97, 87,507.32 and 26,787.63 is: 40,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.97 : 87,507.32 = 26,787.63 : x
  2. Step 2: Convert to fraction form
    58,388.97/87,507.32 = 26,787.63/x
  3. Step 3: Cross multiply
    58,388.97x = 87,507.32 × 26,787.63
  4. Step 4: Simplify right side
    58,388.97x = 2,344,113,576.51
  5. Step 5: Solve for x
    x = 2,344,113,576.51/58,388.97
  6. Step 6: Final answer
    x = 40,146.51

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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.