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Finding the Fourth Proportional to 8,365.70, 12,543.68 and 4,467.98

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Solution

The fourth proportional to 8,365.70, 12,543.68 and 4,467.98 is: 6,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.70 : 12,543.68 = 4,467.98 : x
  2. Step 2: Convert to fraction form
    8,365.70/12,543.68 = 4,467.98/x
  3. Step 3: Cross multiply
    8,365.70x = 12,543.68 × 4,467.98
  4. Step 4: Simplify right side
    8,365.70x = 56,044,826.31
  5. Step 5: Solve for x
    x = 56,044,826.31/8,365.70
  6. Step 6: Final answer
    x = 6,699.36

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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.