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Finding the Fourth Proportional to 61,695.64, 92,580.30 and 56,676.46

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Solution

The fourth proportional to 61,695.64, 92,580.30 and 56,676.46 is: 85,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.64 : 92,580.30 = 56,676.46 : x
  2. Step 2: Convert to fraction form
    61,695.64/92,580.30 = 56,676.46/x
  3. Step 3: Cross multiply
    61,695.64x = 92,580.30 × 56,676.46
  4. Step 4: Simplify right side
    61,695.64x = 5,247,123,669.74
  5. Step 5: Solve for x
    x = 5,247,123,669.74/61,695.64
  6. Step 6: Final answer
    x = 85,048.53

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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.