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Finding the Fourth Proportional to 37,481.80, 56,222.70 and 9,779.80

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Solution

The fourth proportional to 37,481.80, 56,222.70 and 9,779.80 is: 14,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,481.80 : 56,222.70 = 9,779.80 : x
  2. Step 2: Convert to fraction form
    37,481.80/56,222.70 = 9,779.80/x
  3. Step 3: Cross multiply
    37,481.80x = 56,222.70 × 9,779.80
  4. Step 4: Simplify right side
    37,481.80x = 549,846,761.46
  5. Step 5: Solve for x
    x = 549,846,761.46/37,481.80
  6. Step 6: Final answer
    x = 14,669.70

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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.