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Finding the Fourth Proportional to 61,447.91, 84,779.75 and 37,550.08

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Solution

The fourth proportional to 61,447.91, 84,779.75 and 37,550.08 is: 51,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,447.91 : 84,779.75 = 37,550.08 : x
  2. Step 2: Convert to fraction form
    61,447.91/84,779.75 = 37,550.08/x
  3. Step 3: Cross multiply
    61,447.91x = 84,779.75 × 37,550.08
  4. Step 4: Simplify right side
    61,447.91x = 3,183,485,783.23
  5. Step 5: Solve for x
    x = 3,183,485,783.23/61,447.91
  6. Step 6: Final answer
    x = 51,807.88

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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.