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Finding the Fourth Proportional to 37,499.80, 56,257.80 and 11,207.20

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Solution

The fourth proportional to 37,499.80, 56,257.80 and 11,207.20 is: 16,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,499.80 : 56,257.80 = 11,207.20 : x
  2. Step 2: Convert to fraction form
    37,499.80/56,257.80 = 11,207.20/x
  3. Step 3: Cross multiply
    37,499.80x = 56,257.80 × 11,207.20
  4. Step 4: Simplify right side
    37,499.80x = 630,492,416.16
  5. Step 5: Solve for x
    x = 630,492,416.16/37,499.80
  6. Step 6: Final answer
    x = 16,813.22

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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.