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Finding the Fourth Proportional to 48,787.25, 67,326.42 and 26,431.25

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Solution

The fourth proportional to 48,787.25, 67,326.42 and 26,431.25 is: 36,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.25 : 67,326.42 = 26,431.25 : x
  2. Step 2: Convert to fraction form
    48,787.25/67,326.42 = 26,431.25/x
  3. Step 3: Cross multiply
    48,787.25x = 67,326.42 × 26,431.25
  4. Step 4: Simplify right side
    48,787.25x = 1,779,521,438.63
  5. Step 5: Solve for x
    x = 1,779,521,438.63/48,787.25
  6. Step 6: Final answer
    x = 36,475.13

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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.