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Finding the Fourth Proportional to 48,164.76, 72,141.30 and 39,749.40

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Solution

The fourth proportional to 48,164.76, 72,141.30 and 39,749.40 is: 59,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,164.76 : 72,141.30 = 39,749.40 : x
  2. Step 2: Convert to fraction form
    48,164.76/72,141.30 = 39,749.40/x
  3. Step 3: Cross multiply
    48,164.76x = 72,141.30 × 39,749.40
  4. Step 4: Simplify right side
    48,164.76x = 2,867,573,390.22
  5. Step 5: Solve for x
    x = 2,867,573,390.22/48,164.76
  6. Step 6: Final answer
    x = 59,536.75

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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.