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Finding the Fourth Proportional to 37,852.64, 56,787.74 and 12,892.90

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Solution

The fourth proportional to 37,852.64, 56,787.74 and 12,892.90 is: 19,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,852.64 : 56,787.74 = 12,892.90 : x
  2. Step 2: Convert to fraction form
    37,852.64/56,787.74 = 12,892.90/x
  3. Step 3: Cross multiply
    37,852.64x = 56,787.74 × 12,892.90
  4. Step 4: Simplify right side
    37,852.64x = 732,158,653.05
  5. Step 5: Solve for x
    x = 732,158,653.05/37,852.64
  6. Step 6: Final answer
    x = 19,342.34

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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.