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Finding the Fourth Proportional to 37,489.64, 56,234.48 and 9,787.64

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Solution

The fourth proportional to 37,489.64, 56,234.48 and 9,787.64 is: 14,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.64 : 56,234.48 = 9,787.64 : x
  2. Step 2: Convert to fraction form
    37,489.64/56,234.48 = 9,787.64/x
  3. Step 3: Cross multiply
    37,489.64x = 56,234.48 × 9,787.64
  4. Step 4: Simplify right side
    37,489.64x = 550,402,515.72
  5. Step 5: Solve for x
    x = 550,402,515.72/37,489.64
  6. Step 6: Final answer
    x = 14,681.46

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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.