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Finding the Fourth Proportional to 75,005.92, 112,509.42 and 22,416.40

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Solution

The fourth proportional to 75,005.92, 112,509.42 and 22,416.40 is: 33,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005.92 : 112,509.42 = 22,416.40 : x
  2. Step 2: Convert to fraction form
    75,005.92/112,509.42 = 22,416.40/x
  3. Step 3: Cross multiply
    75,005.92x = 112,509.42 × 22,416.40
  4. Step 4: Simplify right side
    75,005.92x = 2,522,056,162.49
  5. Step 5: Solve for x
    x = 2,522,056,162.49/75,005.92
  6. Step 6: Final answer
    x = 33,624.76

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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.