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Finding the Fourth Proportional to 48,491.76, 72,735.30 and 16,900.55

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Solution

The fourth proportional to 48,491.76, 72,735.30 and 16,900.55 is: 25,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491.76 : 72,735.30 = 16,900.55 : x
  2. Step 2: Convert to fraction form
    48,491.76/72,735.30 = 16,900.55/x
  3. Step 3: Cross multiply
    48,491.76x = 72,735.30 × 16,900.55
  4. Step 4: Simplify right side
    48,491.76x = 1,229,266,210.74
  5. Step 5: Solve for x
    x = 1,229,266,210.74/48,491.76
  6. Step 6: Final answer
    x = 25,350.00

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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.