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Finding the Fourth Proportional to 34,167.86, 51,267.60 and 13,100.86

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Solution

The fourth proportional to 34,167.86, 51,267.60 and 13,100.86 is: 19,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.86 : 51,267.60 = 13,100.86 : x
  2. Step 2: Convert to fraction form
    34,167.86/51,267.60 = 13,100.86/x
  3. Step 3: Cross multiply
    34,167.86x = 51,267.60 × 13,100.86
  4. Step 4: Simplify right side
    34,167.86x = 671,649,650.14
  5. Step 5: Solve for x
    x = 671,649,650.14/34,167.86
  6. Step 6: Final answer
    x = 19,657.35

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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.