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Finding the Fourth Proportional to 48,695.57, 73,043.57 and 15,415.80

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Solution

The fourth proportional to 48,695.57, 73,043.57 and 15,415.80 is: 23,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,695.57 : 73,043.57 = 15,415.80 : x
  2. Step 2: Convert to fraction form
    48,695.57/73,043.57 = 15,415.80/x
  3. Step 3: Cross multiply
    48,695.57x = 73,043.57 × 15,415.80
  4. Step 4: Simplify right side
    48,695.57x = 1,126,025,066.41
  5. Step 5: Solve for x
    x = 1,126,025,066.41/48,695.57
  6. Step 6: Final answer
    x = 23,123.77

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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.