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Finding the Fourth Proportional to 56,676.98, 78,214.67 and 35,468.30

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Solution

The fourth proportional to 56,676.98, 78,214.67 and 35,468.30 is: 48,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.98 : 78,214.67 = 35,468.30 : x
  2. Step 2: Convert to fraction form
    56,676.98/78,214.67 = 35,468.30/x
  3. Step 3: Cross multiply
    56,676.98x = 78,214.67 × 35,468.30
  4. Step 4: Simplify right side
    56,676.98x = 2,774,141,379.96
  5. Step 5: Solve for x
    x = 2,774,141,379.96/56,676.98
  6. Step 6: Final answer
    x = 48,946.53

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1.5x scale

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.