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Finding the Fourth Proportional to 55,779.63, 83,669.44 and 14,226.63

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Solution

The fourth proportional to 55,779.63, 83,669.44 and 14,226.63 is: 21,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.63 : 83,669.44 = 14,226.63 : x
  2. Step 2: Convert to fraction form
    55,779.63/83,669.44 = 14,226.63/x
  3. Step 3: Cross multiply
    55,779.63x = 83,669.44 × 14,226.63
  4. Step 4: Simplify right side
    55,779.63x = 1,190,334,165.19
  5. Step 5: Solve for x
    x = 1,190,334,165.19/55,779.63
  6. Step 6: Final answer
    x = 21,339.94

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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.