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Finding the Fourth Proportional to 56,956.92, 78,594.72 and 33,088.64

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Solution

The fourth proportional to 56,956.92, 78,594.72 and 33,088.64 is: 45,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,956.92 : 78,594.72 = 33,088.64 : x
  2. Step 2: Convert to fraction form
    56,956.92/78,594.72 = 33,088.64/x
  3. Step 3: Cross multiply
    56,956.92x = 78,594.72 × 33,088.64
  4. Step 4: Simplify right side
    56,956.92x = 2,600,592,395.98
  5. Step 5: Solve for x
    x = 2,600,592,395.98/56,956.92
  6. Step 6: Final answer
    x = 45,658.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.