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Finding the Fourth Proportional to 75,932.63, 104,787.03 and 42,398.63

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Solution

The fourth proportional to 75,932.63, 104,787.03 and 42,398.63 is: 58,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.63 : 104,787.03 = 42,398.63 : x
  2. Step 2: Convert to fraction form
    75,932.63/104,787.03 = 42,398.63/x
  3. Step 3: Cross multiply
    75,932.63x = 104,787.03 × 42,398.63
  4. Step 4: Simplify right side
    75,932.63x = 4,442,826,513.77
  5. Step 5: Solve for x
    x = 4,442,826,513.77/75,932.63
  6. Step 6: Final answer
    x = 58,510.11

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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.