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Finding the Fourth Proportional to 37,752.20, 56,628.10 and 9,672.20

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Solution

The fourth proportional to 37,752.20, 56,628.10 and 9,672.20 is: 14,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,752.20 : 56,628.10 = 9,672.20 : x
  2. Step 2: Convert to fraction form
    37,752.20/56,628.10 = 9,672.20/x
  3. Step 3: Cross multiply
    37,752.20x = 56,628.10 × 9,672.20
  4. Step 4: Simplify right side
    37,752.20x = 547,718,308.82
  5. Step 5: Solve for x
    x = 547,718,308.82/37,752.20
  6. Step 6: Final answer
    x = 14,508.25

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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.